OPINION
COCHRAN, J.,
delivered the opinion of the Court,
in which WOMACK, JOHNSON, KEASLER, HERVEY, and HOLCOMB, JJ„ joined.
Appellant’s high-speed boat collided with a cabin cruiser on Lake Conroe, killing two adults and a baby. A jury convicted appellant of three counts of intoxication manslaughter. The court of appeals found that the competency jury’s verdict that appellant, who claimed amnesia concerning the boat accident, was competent to stand trial was not against the great weight and preponderance of the evidence.1 We granted both appellant’s and the State’s petitions for discretionary review to 1) revisit Jackson v. State, a prior opinion addressing the relevance of amnesia to a claim of incompetency, and 2) address the appropriate remedy for an unlawful, partially stacked sentence.2 We affirm the court of appeals.
I.
A. The accident.
On July 17, 1999, appellant and Gary Carlin spent the day drinking and boating on Lake Conroe in appellant’s 23-foot Wellcraft speedboat. Douglas Cox, who was also out boating that day, ran into appellant at a lakeside bar in the late afternoon. Later, they drove their boats over to the Del Lago Marina to continue drinking. Sometime after 9:00 p.m., the three men walked down to the boat dock. As Cox drove his boat off, he glanced back and saw a bright spotlight coming from [283]*283appellant’s Wellcraft, shining up at the marina hotel.
Brian Ross also saw the spotlight. Ross recognized the Wellcraft because he had worked on it before. He said that the light was being held by the driver who was the taller and thinner of the two men on the boat.3 Ross said that the driver yelled out that they were “just looking for some pussy.” The driver revved the engine, idled out of the marina, and then the boat “took off at a very high RPM, very fast, what I would consider fast throttle.”
Tim Treemer, who was fishing on the lakeshore, said that he could hear a boat traveling from Del Lago to the main body of the lake “at a high rate of speed ... over 70 miles an horn*.” Treemer noted the boat did not have its aft lights up. He told his fishing partners, “he’s going to hit somebody or kill somebody.” Treemer lost sight of the boat, but he shortly heard a violent collision — fiberglass on fiberglass. Treemer called 911.
Dennis Norman, who was fishing from his 28-foot pontoon boat, likewise heard the accident:
First thing I noticed before the accident was, I heard what I would call a speed boat, jet boat, or whatever start up its motor; and it was in a distance, but we could tell that it was — it was running pretty fast. It sounded like it was wide open. It was so wide open for what, from 30 seconds to a minute; and then we heard some kind of a crash, collision.
The Wellcraft had run into the hull of the “Julie V,” Fred Hart’s 30-foot Bayliner cabin cruiser. There were six people on the Bayliner — Hart; his wife Julia; Julia’s daughter, Jewel; Jewel’s boyfriend, Kenneth; Julia’s other daughter, Lonnie; and Lonnie’s baby son, Joseph. Julia had seen the Wellcraft just before impact, and Fred saw it “coming toward us from about 2:00 o’clock. A no-miss angle.”
Dennis Norman, who arrived within minutes, said the first thing he saw was “two boats sitting in the water. One boat was turned one way and the other boat was jammed into the side of it. I saw people in the water. I saw mass confusion. There was just a ton of people in the water.” Dennis tied his pontoon boat up next to the Julie V and “started pulling passengers in.” The “cigarette boat was sinking,” so his brother crossed to that boat to bring those two people in.
Appellant was unconscious, with the side of his face stuck in the windshield just to the left of the steering wheel. Carlin was behind him, asking for help to get appellant off the boat. Appellant regained consciousness and was belligerent. The Norman brothers “had to manhandle him” to get him to the pontoon boat. He “was obviously drunk. His face was real messed up.” Carlin, who was in better shape, helped move appellant. The Well-craft sank less than five minutes later.
When the Vessel Assist arrived, the injured were moved to that boat. Dennis Norman said appellant was again uncooperative.
When I stood him up, I wrapped my arms around him and stood him up; and I said, “[Wje’ve already unloaded everybody onto the Vessel Assist. They need to get to the hospital.” And he was not cooperative. He says, “give me a second, man.” I said, “[W]e don’t have a second. We have people here dying on the other boat.” And he said, “[Jjust chill.” When he told me just to chill, I lost it, and I wrapped my arms around him, threw him into the other boat....
[284]*284Carlin was able to get on the Vessel Assist on his own, but then unsuccessfully tried to commandeer the boat in an effort to flee the scene. Jewel died of a “skull fracture, crushed chest and asphyxia due to drowning.” Trapped in the cabin by the Well-craft, Lonnie, who sustained a lacerated spleen and liver, and the baby, who sustained a skull fracture, died from their injuries and asphyxia due to drowning.
Appellant was transported to the Conroe Regional Medical Center emergency room, where he was listed in critical condition. The attending nurse said he was “very bloody and screaming and was upset— well, highly upset and he was in pain. And I remember him telling me that he had his f-ing teeth in his hand and I took those from him out of his hand and put them in a jar for him and he was just extremely upset.” Both the nurse and doctor noted that appellant smelled very strongly of alcohol. Appellant said “he wasn’t f — ing driving” multiple times. He told a trooper that a woman had been driving the Welleraft, and she had jumped overboard. Appellant had facial injuries, a broken jaw, multiple missing teeth, a lacerated lower lip, multiple contusions across his chest, a ruptured lung and a closed head injury. He had a BAC of .198 at 11:00 p.m. and .180 at midnight.
Carlin was also taken to the E.R. He had a cut brow and eyelid, cuts to his abdomen and leg, and a lacerated liver. He repeatedly stated that appellant had been driving the boat.
B. The trial and appeal.
After a competency jury had determined that appellant was competent to stand trial, a separate jury was chosen for the trial on the merits. The two contested issues at trial were whether appellant was intoxicated at the time of the collision, and whether appellant or Gary Cai’lin was piloting the boat when it struck the cabin cruiser. Midway through the trial, the parties agreed and stipulated to following fact: “As a result of the injuries sustained during the incident on July 17, 1999, Reginald Eugene Moms has no memory of the events of that day after leaving Del Lago.” Evidence that appellant had been at the wheel included the following:
(1) Appellant’s civil deposition testimony that the Welleraft was his and that he would not have let Carlin drive it in the dark;
(2) Brian Ross’s testimony that the Welleraft left Del Lago shortly before the accident with the taller and thinner of the two occupants (appellant) driving;
Free access — add to your briefcase to read the full text and ask questions with AI
OPINION
COCHRAN, J.,
delivered the opinion of the Court,
in which WOMACK, JOHNSON, KEASLER, HERVEY, and HOLCOMB, JJ„ joined.
Appellant’s high-speed boat collided with a cabin cruiser on Lake Conroe, killing two adults and a baby. A jury convicted appellant of three counts of intoxication manslaughter. The court of appeals found that the competency jury’s verdict that appellant, who claimed amnesia concerning the boat accident, was competent to stand trial was not against the great weight and preponderance of the evidence.1 We granted both appellant’s and the State’s petitions for discretionary review to 1) revisit Jackson v. State, a prior opinion addressing the relevance of amnesia to a claim of incompetency, and 2) address the appropriate remedy for an unlawful, partially stacked sentence.2 We affirm the court of appeals.
I.
A. The accident.
On July 17, 1999, appellant and Gary Carlin spent the day drinking and boating on Lake Conroe in appellant’s 23-foot Wellcraft speedboat. Douglas Cox, who was also out boating that day, ran into appellant at a lakeside bar in the late afternoon. Later, they drove their boats over to the Del Lago Marina to continue drinking. Sometime after 9:00 p.m., the three men walked down to the boat dock. As Cox drove his boat off, he glanced back and saw a bright spotlight coming from [283]*283appellant’s Wellcraft, shining up at the marina hotel.
Brian Ross also saw the spotlight. Ross recognized the Wellcraft because he had worked on it before. He said that the light was being held by the driver who was the taller and thinner of the two men on the boat.3 Ross said that the driver yelled out that they were “just looking for some pussy.” The driver revved the engine, idled out of the marina, and then the boat “took off at a very high RPM, very fast, what I would consider fast throttle.”
Tim Treemer, who was fishing on the lakeshore, said that he could hear a boat traveling from Del Lago to the main body of the lake “at a high rate of speed ... over 70 miles an horn*.” Treemer noted the boat did not have its aft lights up. He told his fishing partners, “he’s going to hit somebody or kill somebody.” Treemer lost sight of the boat, but he shortly heard a violent collision — fiberglass on fiberglass. Treemer called 911.
Dennis Norman, who was fishing from his 28-foot pontoon boat, likewise heard the accident:
First thing I noticed before the accident was, I heard what I would call a speed boat, jet boat, or whatever start up its motor; and it was in a distance, but we could tell that it was — it was running pretty fast. It sounded like it was wide open. It was so wide open for what, from 30 seconds to a minute; and then we heard some kind of a crash, collision.
The Wellcraft had run into the hull of the “Julie V,” Fred Hart’s 30-foot Bayliner cabin cruiser. There were six people on the Bayliner — Hart; his wife Julia; Julia’s daughter, Jewel; Jewel’s boyfriend, Kenneth; Julia’s other daughter, Lonnie; and Lonnie’s baby son, Joseph. Julia had seen the Wellcraft just before impact, and Fred saw it “coming toward us from about 2:00 o’clock. A no-miss angle.”
Dennis Norman, who arrived within minutes, said the first thing he saw was “two boats sitting in the water. One boat was turned one way and the other boat was jammed into the side of it. I saw people in the water. I saw mass confusion. There was just a ton of people in the water.” Dennis tied his pontoon boat up next to the Julie V and “started pulling passengers in.” The “cigarette boat was sinking,” so his brother crossed to that boat to bring those two people in.
Appellant was unconscious, with the side of his face stuck in the windshield just to the left of the steering wheel. Carlin was behind him, asking for help to get appellant off the boat. Appellant regained consciousness and was belligerent. The Norman brothers “had to manhandle him” to get him to the pontoon boat. He “was obviously drunk. His face was real messed up.” Carlin, who was in better shape, helped move appellant. The Well-craft sank less than five minutes later.
When the Vessel Assist arrived, the injured were moved to that boat. Dennis Norman said appellant was again uncooperative.
When I stood him up, I wrapped my arms around him and stood him up; and I said, “[Wje’ve already unloaded everybody onto the Vessel Assist. They need to get to the hospital.” And he was not cooperative. He says, “give me a second, man.” I said, “[W]e don’t have a second. We have people here dying on the other boat.” And he said, “[Jjust chill.” When he told me just to chill, I lost it, and I wrapped my arms around him, threw him into the other boat....
[284]*284Carlin was able to get on the Vessel Assist on his own, but then unsuccessfully tried to commandeer the boat in an effort to flee the scene. Jewel died of a “skull fracture, crushed chest and asphyxia due to drowning.” Trapped in the cabin by the Well-craft, Lonnie, who sustained a lacerated spleen and liver, and the baby, who sustained a skull fracture, died from their injuries and asphyxia due to drowning.
Appellant was transported to the Conroe Regional Medical Center emergency room, where he was listed in critical condition. The attending nurse said he was “very bloody and screaming and was upset— well, highly upset and he was in pain. And I remember him telling me that he had his f-ing teeth in his hand and I took those from him out of his hand and put them in a jar for him and he was just extremely upset.” Both the nurse and doctor noted that appellant smelled very strongly of alcohol. Appellant said “he wasn’t f — ing driving” multiple times. He told a trooper that a woman had been driving the Welleraft, and she had jumped overboard. Appellant had facial injuries, a broken jaw, multiple missing teeth, a lacerated lower lip, multiple contusions across his chest, a ruptured lung and a closed head injury. He had a BAC of .198 at 11:00 p.m. and .180 at midnight.
Carlin was also taken to the E.R. He had a cut brow and eyelid, cuts to his abdomen and leg, and a lacerated liver. He repeatedly stated that appellant had been driving the boat.
B. The trial and appeal.
After a competency jury had determined that appellant was competent to stand trial, a separate jury was chosen for the trial on the merits. The two contested issues at trial were whether appellant was intoxicated at the time of the collision, and whether appellant or Gary Cai’lin was piloting the boat when it struck the cabin cruiser. Midway through the trial, the parties agreed and stipulated to following fact: “As a result of the injuries sustained during the incident on July 17, 1999, Reginald Eugene Moms has no memory of the events of that day after leaving Del Lago.” Evidence that appellant had been at the wheel included the following:
(1) Appellant’s civil deposition testimony that the Welleraft was his and that he would not have let Carlin drive it in the dark;
(2) Brian Ross’s testimony that the Welleraft left Del Lago shortly before the accident with the taller and thinner of the two occupants (appellant) driving;
(3) The Norman brothers’ testimony that appellant was found unconscious near the Wellcraft’s steering wheel;
(4) The E.R. doctor’s testimony that appellant’s injuries were consistent with having hit the steering wheel, while Carlin’s were not;
(5) Testimony that some of appellant’s teeth were found under the driver’s seat of the Welleraft, directly under the steering wheel; and
(6) The State’s reconstruction expert’s opinion that appellant was driving the boat.
The State’s evidence that appellant was intoxicated included appellant’s admission that he was “a little drunk,” eyewitness testimony that he was “obviously” drunk, and BAC tests putting him at nearly twice over the then-legal limit.
Evidence that supported the defense theory that Carlin had been behind the wheel included the following:
(1) The defense reconstruction expert’s opinion that Carlin was in the driver’s seat;
[285]*285(2) Appellant’s prior statement that he had made a conscious decision not to drive the boat that night because he had had too much to drink;
(3) Testimony that appellant was shirtless at Del Lago (coupled with Ross’s testimony that the driver had a T-shirt on);
(4) Insurance adjuster Amy Pinkerton’s deposition testimony that Car-lin said “He had been driving a boat on Lake Conroe that had been in an accident and killed a family or killed some people.”;4
(5) Tarmar Clement’s testimony that Carlin told her, “I didn’t see the lights before I hit the boat.”; and
(6) Testimony that Carlin had attempted to take over the Vessel Assist boat and drive it away from the scene of the accident.
The defense noted that much of appellant’s apparently drunken behavior was consistent with that of someone with a head injury. It also vehemently challenged the State’s blood-alcohol evidence. Ultimately the jury credited the State’s witnesses, convicted appellant on all three manslaughter counts, and assessed his sentence at 18 years on each count. The trial judge stacked the first two sentences and 12 years of the third, achieving a 48-year sentence. The judge stated, “The Record should be very clear, in the event there is a challenge as to whether I can do what I’m doing, if I can’t it’s consecutive for 54 years.”
In affirming the conviction and reforming the sentence, the court of appeals held the following: (1) the competency jury was entitled to credit the State’s experts’ opinions that appellant was competent, and its verdict was not against the great weight and preponderance of the evidence in light of that testimony; (2) the competency jury’s verdict was not against the great weight and preponderance of the evidence because it was possible to determine retrospectively that appellant’s amnesia did not, under Jackson v. State,5 deprive him of a fair trial; and (3) under Ex parte Sadler,6 the trial judge erred in partially cumulat-ing count III, so it reformed the stacking order to show that count III runs concurrent with count II.
We granted review to examine the court of appeals’s application of Jackson, and its reformation of the sentence.
II.
A. Review of the sufficiency of the evidence to support a competency jury’s verdict should be restricted to the evidence before the competency jury, even when the incompetency claim is based on amnesia.
Appellant asserted that he was incompetent to stand trial because the traumatic brain injury he sustained during the boat accident caused him to have no memory of that event. After a preliminary hearing, the trial court found that appellant’s amnesia triggered a right to a competency jury trial.7 That jury’s task was to decide if appellant, who is presumed to be competent, proved his incompetency by a preponderance of the evidence.8
1. The legal standard for determining competency.
A person is incompetent to stand trial if the person does not have: “(1) [286]*286sufficient present ability to consult with the person’s lawyer with a reasonable degree of rational understanding; or (2) a rational as well as factual understanding of the proceedings against the person.”9 Evidence relevant to these issues includes whether a defendant can (1) understand the charges against him and the potential consequences of the pending criminal proceedings; (2) disclose to counsel pertinent facts, events, and states of mind; (3) engage in a reasoned choice of legal strategies and options; (4) understand the adversarial nature of criminal proceedings; (5) exhibit appropriate courtroom behavior; and (6) testify.10 As the Supreme [287]*287Court stated in Cooper v. Oklahoma, “ ‘Competence to stand trial is rudimentary, for upon it depends the main part of those rights deemed essential to a fair trial, including the right to effective assistance of counsel, the rights to summon, to confront, and to cross-examine witnesses, and the right to testify on one’s own behalf or to remain silent without penalty for doing so.’ ”11 A defendant’s competency to stand trial is a question of fact to be determined by the competency jury.12
2. The competency jury trial.
At the competency trial, appellant contended that he had no memory from a period of approximately thirty minutes before the accident until four days later. This amnesia interfered with his ability to consult with his attorney and prevented him from having a factual understanding of the proceedings against him because he could not disclose pertinent facts and events to his attorney.
The experts for both the State and defense agreed that appellant had suffered “a profound head injury” and “traumatic brain injury” and that it is common for such an injury to cause retrograde amnesia — an inability to retain memory of events covering a period of time just before the injury.13 The experts disagreed, however, on the effect of a defendant’s amnesia to his competency to stand trial.14
Dr. Steven Rosenblatt, a board-certified psychiatrist, testified that he had reviewed appellant’s medical records and interviewed him. Dr. Rosenblatt said that appellant told him that, on the night in question, he made a conscious decision not to drive the boat because he had too much to drink and instead went to sleep in the aft area of the boat. Dr. Rosenblatt stated, “If we postulate that he is amnesic, he would have difficulty in refuting what [witnesses] might say.” He would also have “great difficulty in testifying concerning what happened during that interval.” However, it was Dr. Rosenblatt’s opinion that any inability that appellant might have to recount the events during the “interval” did not render him incapable of consulting with his lawyers with a reasonable degree of rational understanding: Appellant was aware of the nature of the charges against him and the potential consequences of a trial, and even if he could not remember the accident itself, he could assist his attorneys by providing relevant information about the day of the accident.
Dr. Daneen Milam, a board-certified neuropsychologist, testified that she reviewed appellant’s medical records, conducted a clinical interview of him, and also subjected him to a battery of psychological [288]*288tests. She concluded that appellant, because he does not remember the events for which he is on trial, cannot satisfy the legal standard for competency to stand trial. She testified that appellant would have suffered amnesia from his head injury even if he had not been drinking at the time. Dr. Milam believed that, because of his amnesia, appellant was unable to disclose pertinent information to his attorneys about what happened at the moment of the offense, challenge the accounts of witnesses against him, or testify in his own behalf about the specific event that formed the basis of the charge against him.15
Dr. Walter Quijano, a clinical and forensic psychologist, also testified. He said that amnesia alone does not justify a finding of incompetency and that, “[if] the person has amnesia, then one is to determine if the case against him can be reconstructed by witnesses, physical evidence[.]” Dr. Quijano agreed that “[a]mnesia plus no eyewitness and conflicts in expert witnesses ..., those things would render somebody incompetent[.]”16
The competency jury also heard from Sergeant Kenneth Henderson, who testi-fled that the only potential eyewitnesses to the collision itself were the people on the two boats. Gary Carlin, the Wellcraft’s other occupant and one of the potential witnesses, died in May 2000. Sgt. Henderson testified that none of the occupants of the Julie V could identify the Wellcraft’s driver at the time of the collision, but he said that the identity of its driver could be determined by other evidence. Sgt. Henderson said that both State and defense experts examined the boat after it was recovered, and they came to “at least two different opinions ... as a result of the examination.”17 Also, Debbie Cummings, appellant’s lifetime partner, testified that he was unconscious for three to four days after the accident. Cummings related several incidents occurring long after the collision that showed appellant continued to suffer from an ongoing short-term memory impairment.
The jury found that appellant had not established by a preponderance of the evidence that he was incompetent.
S. The court of appeals.
On appeal, appellant relied on Jackson [289]*289v. State18 to support his claim that amnesia renders a defendant incompetent to stand trial. In Jackson, we rejected the defendant’s argument that his amnesia about the act of shooting his sister rendered him incompetent to stand trial.19 In that case, we applied — in a general sense — the factors set out in Wilson v. United States,20 a federal District of Columbia case, in finding that “the evidence [was] sufficient to support the jury’s verdict that appellant was competent to stand trial” and in concluding that Jackson’s lack of memory of the shooting did not, in fact, deprive him of a fail' trial.21 The Wilson factors to which this Court cited were: (1) the extent to which the amnesia affected the defendant’s ability to assist his lawyer; (2) the extent to which the amnesia affected the defendant’s ability to testify in his own behalf; (3) the extent to which the evidence could be extrinsically reconstructed; (4) the extent to which the State assisted the defendant and his attorney in that reconstruction; (5) the strength of the prosecutor’s case and whether the amnesia prevented the defendant from establishing an alibi or defense; and (6) other facts and circumstances affecting whether the defendant had a fair trial.22
The court of appeals in this case affirmed the competency jury’s verdict. First, and without reference to Jackson, the court held that the competency jury was entitled to credit the opinions of the State’s experts that the appellant was competent. In light of that testimony, the jury’s verdict was not against the great weight and preponderance of the evidence.23 Turning, alternatively, to the Wilson factors set out in Jackson, the court held that the jury’s verdict was not against the great weight and preponderance of the evidence because, retrospectively, it was apparent that appellant’s amnesia did not deprive him of a fair trial.24
[290]*290
U. The parties’arguments.
In his petition, appellant claims that the jury’s verdict that he was competent to stand trial was against the great weight and preponderance of the evidence when measured against the standard for competency of an amnesiac set out in Wilson and referenced in Jackson.25* The State maintains that the Jackson standard does not comport with the statutory definition of competency and argues that we should therefore reject it.
5. Texas competency statutes do not require courts to make a post-tnal determination whether the amnesiac defendant was deprived of a fair trial based on specific findings concerning the Wilson factors.
We agree with the State that our reference to the Wilson factors in Jackson to measure the rationality of a jury’s pretrial assessment of a defendant’s competency to stand trial was peculiar. The federal court in Wilson described factors that it thought were relevant, not to a pretrial competency jury’s verdict, but to a trial judge’s post-trial determination whether, as the trial on the merits actually unfolded, the amnesiac defendant was deprived of a fair trial.26 Only the first factor cited by the Wilson court, “the extent to which the amnesia affected the defendant’s ability to consult with and assist his lawyer,” mirrors one of the two inquiries that the Texas competency statute requires.27 Texas’ competency statutes allow competency to be raised, by either party or the judge, at any time before sentence is pronounced.28 If evidence suggesting that the defendant may be incompetent to stand trial comes to the attention of the court, it must on its own motion raise the issue.29 But the statutes do not require a trial or appellate court, as a matter of course, to make a post-trial determination whether, as the trial actually unfolds, the amnesiac defendant was in fact deprived of a fair trial based on specific findings under the factors articulated in [291]*291Wilson.30 That is not to say that the Wilson factors may not be consulted when the question before the court is whether the amnesiac defendant was deprived of a fair trial.31 They may be relevant.32 But the sole question presented in this appeal was whether the competency jury’s verdict was against the great weight and preponderance of the evidence.33 An appellate court measures the propriety of the competency verdict based on the evidence before the jury at the time of the verdict under the relevant legal standard set out in art. 46B.003(a).34 We agree with the court of appeals’s first holding: The competency jury was entitled to credit the opinion testimony of the State’s experts that the appellant was competent under art. 46B .003(a). Thus, we agree with the court [292]*292of appeals that “[t]he jury’s verdict rejecting Morris’s claim of incompetency was not against the great weight and preponderance of the evidence.”35
The jury heard psychiatric testimony that indicated that the Dusky constitutional and Texas statutoiy standards had been met and that any inability that appellant might have in recalling and recounting the events during the amnesiac “interval” did not render him incapable of consulting with his lawyers with a reasonable degree of rational understanding. Dr. Rosenblatt testified that appellant was “aware of the nature of the charges against him, aware of the potential outcomes and possible consequences of retrial,” all of which suggests “that he does have sufficient present ability to consult with his lawyer with a reasonable degree of rational understanding.” And,
besides what I just told you about knowing the nature of the charges against him, for example and awareness of potential outcomes and consequences of trial, he also was conversing about the other events of the evening except the sjoecifics of that interval of the boating accident. And the fact that he’s able— and that, plus the fact that he was able to name people as potential witnesses on his behalf suggests a factual understanding of the proceedings against him, whether or not he maintains a factual understanding of the specific events for which he appears to be amnesic.
Appellant was able to give Dr. Rosenblatt his account of what he did recall:
What he told me is that since he had been drinking, that he felt it was not reasonable to drive the boat and thus he decided to go to sleep instead. He also told me that a place he customarily kept the keys to the boat was in the area where the keys were supposed to go, and that he presumed that Mr. Carlin had, despite his asking him not to go over there, nonetheless picked up the keys[.]
He also told Dr. Rosenblatt that
since the time of his recovery from the injury, that some people have come forward to him who apparently have something to say in terms of bearing on the facts of the case; and I don’t think he would refute those because they have things to say which were complimentary to his cause.
The jury could infer from these statements that appellant had a viable defense: He wasn’t driving; Carlin was.
The court of appeals appropriately resolved appellant’s “great weight and preponderance” claim by deferring to the jury’s credibility determinations. We also note that what we stated in Jackson v. State—that “no case yet reported ... has held that the inability to recall the event charged because of amnesia constitutes mental incapacity to stand trial,”36 — remains true today.37 This is because the [293]*293competency question assesses the defendant’s mental condition at the time of trial. In that regard, a defendant’s amnesia is akin to “missing” evidence.38
In his plight, the amnesiac differs very little from an accused who was home alone, asleep in bed, at the time of the crime or from a defendant whose only witnesses die or disappear before trial. Furthermore, courts, of necessity, must decide guilt or innocence on the basis of available facts even where those facts are known to be incomplete, and the amnesiac’s loss of memory differs only in degree from that experienced by every defendant, witness, attorney, judge, and venireman. How much worse off is a generally amnesic defendant on trial for murder, for example, than one who remembers all but the dispositive fact: who struck the first blow? 39
Second, other courts have noted that a contrary rule “would unduly hamper the State’s interest in the prosecution of violators of its criminal laws and jeopardize the safety and security of other citizens.”'40 As one court put it:
When it is considered that the result of an order finding defendant unfit for trial in these circumstances would be outright release, assuming the amnesia is permanent and there is no other mental defect sufficient to warrant commitment, ..., it can be more easily understood why all the courts which have passed on this question have refused to allow amnesia to be classified as the sort of mental defect causing incapacity to stand trial.41
A third reason to reject the per se rule is that “amnesia can easily be feigned.”42
In this case, there was no assertion that appellant’s amnesia was feigned. And we do not discount the possibility that there might one day be an extraordinary case in which an inability to recall the charged event because of amnesia could constitute mental incapacity to stand trial.43 This is [294]*294not one of them. Here, there was ample evidence that appellant was competent to stand trial because he had (1) a sufficient present ability to consult with the lawyer with a reasonable degree of rational understanding; and (2) a rational as well as factual understanding of -the proceedings against him.44
B. The appropriate remedy for an unlawful stacking order is its deletion.
1. The trial court’s stacking order.
The jury convicted appellant of three counts of intoxication manslaughter and sentenced him to eighteen years on each count. When a defendant is convicted of multiple counts of intoxication manslaughter, the trial judge has authority to cumulate the sentences or to have them run concurrently.45 In this case the trial judge stacked the sentence in Count II onto Count I. The judge then purported to stack twelve years of Count III onto Count II: “Six years of the 18-year sentence in ... Count III, ... shall run concurrent with ... Count II ...; and the remaining 12 years shall run consecutive to the sentence in Count II.... ” This resulted in a 48 year sentence. Recognizing that this was an unorthodox sentence, the trial judge pronounced an alternative sentence, stacking all three counts: “The Record should be very clear, in the event there is a challenge as to whether I can do what [295]*295I’m doing, if I can’t it’s consecutive for 54 years.”
2. The court of appeals’s reformation of the judgment.
The court of appeals held that the partial cumulation order was unlawful under Ex parte Sadler.46 In that case, we had held the that a trial court was without authority to partially cumulate two twenty-five-year sentences to fashion a thirty-five-year sentence.47 The court of appeals therefore set aside the trial court’s order partially cumulating Count III. The court reformed the judgment so that appellant’s sentence on Count III runs concurrently with his sentence on Count II. It affirmed the trial court’s order cumulating Count II and Count I.
3. The panties’ arguments.
Both parties disagreed with the court of appeals’s resolution. Appellant argues that the entire stacking order is invalid and should be deleted with the judgment so reformed; the State argues that the judge’s alternative sentence should be imposed. The State also argues that, if there had been no stated alternative sentence, the appropriate remedy would have been a remand to the trial court.
h. Unlawful cumulation orders do not constitute reversible error.
In Beedy v. State,48 a case decided after the parties submitted their briefs in this case, we addressed a nearly identical issue. There, the trial court had stacked a ten-year deferred-adjudication community-supervision term onto a twelve-year prison sentence.49 The court of appeals, noting that the trial judge did not have the authority to stack the deferred adjudication community supervision term onto his prison sentence, deleted the cumulation order.50 The State sought further review, arguing that the case should have been remanded for a new punishment hearing. We held that an unlawful cumulation order did not constitute reversible error under Tex.Code Crim. Proc. art. 44.29 and that the proper remedy for the unlawful cumu-lation order was to reform the judgment to delete the cumulation order, as the court of appeals had done.51
We also held,
[296]*296In upholding the court of appeals’s decision to delete the cumulation order in this case, we do not mean to suggest that we would reach the same conclusion in a case where the trial judge had the authority to cumulate but entered, at his discretion under Article 42.08(a), Texas Code of Criminal Procedure, a cumulation order that lacked the requisite specificity.52
The present case, however, is not one involving specificity. Specificity cases are those that deal with the sufficiency of the order cumulating sentences, ie., whether the order contained the necessary elements or essential recitals such as case numbers, county, and terms of years of prior sentences.53 In this case, as in Beedy, the trial judge simply did not have the authority to enter the order he did. Beedy controls this case. The court of appeals appropriately deleted the unlawful portion and left the lawful portion of the order intact, notwithstanding the trial court’s pronouncement of an alternative sentence. We agree with other state courts court that have recently addressed this same issue and held that a trial court is without authority to impose alternative sentences.54
III.
Therefore, because the court of appeals properly found that the competency jury’s verdict rejecting appellant’s claim of incompetency was not against the great weight and preponderance of the evidence and properly deleted the unauthorized portion of the trial judge’s cumulation order, we affirm the judgment of the court of appeals.
PRICE, J., filed a dissenting opinion.
[297]*297KELLER, P.J., filed a concurring and dissenting opinion in which MEYERS, J., joined.