OPINION OF THE COURT
(October 16, 2014)
Cabret, Associate Justice.
Ivan Petrie appeals his convictions for first-degree murder, unauthorized possession of a firearm during the commission of a crime of violence, first-degree animal abuse, and unauthorized possession of ammunition. For the reasons that follow, we reverse Petrie’s convictions and remand for the Superior Court to enter a judgment of acquittal for unauthorized possession of ammunition and a judgment of not guilty by reason of insanity on the remaining charges.
I. FACTUAL AND PROCEDURAL BACKGROUND
On November 21, 2006, Officers Richard White, Terrence Aaron, George Felix, and Sergeant Jonathan Hitesman were dispatched to the La Vallee neighborhood on St. Croix. When they arrived, neighbors told the officers that they heard gunshots coming from the Petrie family home a day or two before and that no one had seen the Petrie family for several days. As the officers approached the Petrie home, they discovered the body of Petrie’s father, Ivan Petrie, Sr., face down in the bush. After entering the home through the upstairs window, the officers found the bodies of Nancy Kuiper — Petrie, Sr.’s girlfriend — Petrie’s brother, Zivko Petrie, and the family dog. Downstairs, the officers located and arrested Petrie who was in possession of at least one .357 magnum revolver.1
On July 27, 2007, the People charged Petrie with three counts of first-degree murder, three counts of unauthorized possession of a firearm during the commission of a crime of violence, one count of first-degree [405]*405animal abuse, and one count of unauthorized possession of ammunition. On April 4, 2009, by order of the Superior Court, Dr. Derek V. Spencer, Chief of Psychiatry at Roy Schneider Hospital on St. Thomas, evaluated Petrie. In his report, Dr. Spencer determined that while Petrie was capable of assisting in his defense, he likely suffered from an undiagnosed “psychotic disorder.” On December 22, 2011, Dr. Spencer updated his report and determined that on the day of the murders, Petrie was in a “delusional state” such that Petrie “thought that his actions . . . [were] correct” and “believed that his act was in self-defense.” On June 20, 2012, Petrie filed a notice of intent to assert an insanity defense.
Petrie’s four-day trial began on September 25, 2012. The People’s first witnesses were the responding officers. They described the discovery of the bodies, the crime scene, and Petrie’s arrest. In particular, the officers testified to finding a pair of bloody jeans soaking in a bucket of water and cleaning detergent as well as two packed suitcases in Petrie’s room. The officers also stated that the phone cord had been pulled from the wall and that each body was covered. The People then called Detective Karen Stout, who testified that a search of the firearm registry revealed that Petrie did not have a license to possess a firearm in the Virgin Islands at the time of the shooting. Next, the People called forensic firearm examiner Brandon Giroux, who testified that the bullets recovered from the bodies were fired from the guns in Petrie’s possession when he was arrested.. In addition, forensic examiner Jerrilyn Conway testified that Petrie’s jeans had Zivko’s blood on them and that Petrie’s shoes had his father’s and Zivko’s blood on them.
Before the People rested, the Superior Court allowed Petrie to present the testimony of Dr. Spencer and Karen Petrie in order to accommodate their schedules.2 Dr. Spencer testified that while Petrie was capable of assisting.in his own defense, it was apparent that Petrie had been suffering from “an untreated psychiatric disorder” for years and that his “actions on [the day of the murders] were driven by delusional beliefs.” On cross-examination, the People tried to discredit Dr. Spencer’s testimony [406]*406that Petrie suffered from a mental illness and to demonstrate that Petrie’s actions on the day of the murders were inconsistent with an individual suffering from a mental illness. Petrie then called his mother, Karen Petrie, who testified that her family has a history of mental illness, including paranoid schizophrenia, and that she suspected her son was suffering from a similar illness, particularly after he was hospitalized at age fifteen for six weeks due to a psychotic episode. Karen also stated that in 2000, Petrie informed her that he was “God” and that people were following him and trying to kill him. She further testified that Petrie’s father did not believe in psychiatric treatment and would not seek psychiatric care for him.
The People then resumed its case-in-chief, presenting the testimony of medical examiner Dr. D’Michelle Dupre, who performed the autopsies of Petrie, Sr., Kuiper, Zivko, and the family dog. According to Dr. Dupre’s testimony, all the victims were killed by multiple gunshots fired at close range, except the dog, who was killed by one gunshot to the head. In addition, Dr. Dupre testified that the drying of the bloodstains suggested Kuiper may have been killed earlier than Zivko, but that ultimately both were killed “within the same general time range.”
After the People rested, Petrie moved for a judgment of acquittal. In his oral motion, Petrie argued that the People failed to satisfy its burden of proving beyond a reasonable doubt that he was sane at the time of the murders. In response, the People argued that circumstantial evidence suggested Petrie was sane at the time of the offenses. The Superior Court denied Petrie’s motion, and Petrie rested. The same day, the jury returned a guilty verdict on all counts'.
In a September 7, 2013 judgment and commitment, the Superior Court sentenced Petrie to three consecutive life sentences without the possibility of parole for the three murders and three consecutive 20-year sentences for unauthorized possession of a firearm during these crimes. The Superior Court also sentenced Petrie to a consecutive term of two years for first-degree animal abuse and a concurrent term of seven years for unauthorized possession of ammunition. Petrie filed a timely notice of appeal on August 27, 2013.3
[407]*407II. JURISDICTION
This Court has jurisdiction over “all appeals arising from final judgments, final decrees or final orders of the Superior Court, or as otherwise provided by law.” 4 V.I.C. § 32(a). The Superior Court’s September 7, 2013 judgment and commitment is a final judgment over which we may exercise jurisdiction. Cascen v. People, 60 V.I. 392, 400 (V.I. 2014); see also Williams v. People, 58 V.I. 341, 345 (V.I. 2013) (a written judgment embodying the adjudication of guilt and the sentence imposed based on that adjudication constitutes a final judgment for purposes of 4 V.I.C. § 32(a)).
III. DISCUSSION
Petrie, as one of several arguments raised on appeal, argues that the Superior Court should have granted his motion for a judgment of acquittal because the People failed to prove beyond a reasonable doubt that Petrie was sane at the time of the offenses. Because we agree, we do not reach his other arguments.4 In addressing the sufficiency of the evidence, “we must view the evidence in the light most favorable to the People, and affirm the conviction[s] if ‘any rational trier of fact could have found the essential elements of the crime[s] beyond a reasonable doubt.’ ” George v. People, 59 V.I. 368, 384 (V.I. 2013) (quoting
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OPINION OF THE COURT
(October 16, 2014)
Cabret, Associate Justice.
Ivan Petrie appeals his convictions for first-degree murder, unauthorized possession of a firearm during the commission of a crime of violence, first-degree animal abuse, and unauthorized possession of ammunition. For the reasons that follow, we reverse Petrie’s convictions and remand for the Superior Court to enter a judgment of acquittal for unauthorized possession of ammunition and a judgment of not guilty by reason of insanity on the remaining charges.
I. FACTUAL AND PROCEDURAL BACKGROUND
On November 21, 2006, Officers Richard White, Terrence Aaron, George Felix, and Sergeant Jonathan Hitesman were dispatched to the La Vallee neighborhood on St. Croix. When they arrived, neighbors told the officers that they heard gunshots coming from the Petrie family home a day or two before and that no one had seen the Petrie family for several days. As the officers approached the Petrie home, they discovered the body of Petrie’s father, Ivan Petrie, Sr., face down in the bush. After entering the home through the upstairs window, the officers found the bodies of Nancy Kuiper — Petrie, Sr.’s girlfriend — Petrie’s brother, Zivko Petrie, and the family dog. Downstairs, the officers located and arrested Petrie who was in possession of at least one .357 magnum revolver.1
On July 27, 2007, the People charged Petrie with three counts of first-degree murder, three counts of unauthorized possession of a firearm during the commission of a crime of violence, one count of first-degree [405]*405animal abuse, and one count of unauthorized possession of ammunition. On April 4, 2009, by order of the Superior Court, Dr. Derek V. Spencer, Chief of Psychiatry at Roy Schneider Hospital on St. Thomas, evaluated Petrie. In his report, Dr. Spencer determined that while Petrie was capable of assisting in his defense, he likely suffered from an undiagnosed “psychotic disorder.” On December 22, 2011, Dr. Spencer updated his report and determined that on the day of the murders, Petrie was in a “delusional state” such that Petrie “thought that his actions . . . [were] correct” and “believed that his act was in self-defense.” On June 20, 2012, Petrie filed a notice of intent to assert an insanity defense.
Petrie’s four-day trial began on September 25, 2012. The People’s first witnesses were the responding officers. They described the discovery of the bodies, the crime scene, and Petrie’s arrest. In particular, the officers testified to finding a pair of bloody jeans soaking in a bucket of water and cleaning detergent as well as two packed suitcases in Petrie’s room. The officers also stated that the phone cord had been pulled from the wall and that each body was covered. The People then called Detective Karen Stout, who testified that a search of the firearm registry revealed that Petrie did not have a license to possess a firearm in the Virgin Islands at the time of the shooting. Next, the People called forensic firearm examiner Brandon Giroux, who testified that the bullets recovered from the bodies were fired from the guns in Petrie’s possession when he was arrested.. In addition, forensic examiner Jerrilyn Conway testified that Petrie’s jeans had Zivko’s blood on them and that Petrie’s shoes had his father’s and Zivko’s blood on them.
Before the People rested, the Superior Court allowed Petrie to present the testimony of Dr. Spencer and Karen Petrie in order to accommodate their schedules.2 Dr. Spencer testified that while Petrie was capable of assisting.in his own defense, it was apparent that Petrie had been suffering from “an untreated psychiatric disorder” for years and that his “actions on [the day of the murders] were driven by delusional beliefs.” On cross-examination, the People tried to discredit Dr. Spencer’s testimony [406]*406that Petrie suffered from a mental illness and to demonstrate that Petrie’s actions on the day of the murders were inconsistent with an individual suffering from a mental illness. Petrie then called his mother, Karen Petrie, who testified that her family has a history of mental illness, including paranoid schizophrenia, and that she suspected her son was suffering from a similar illness, particularly after he was hospitalized at age fifteen for six weeks due to a psychotic episode. Karen also stated that in 2000, Petrie informed her that he was “God” and that people were following him and trying to kill him. She further testified that Petrie’s father did not believe in psychiatric treatment and would not seek psychiatric care for him.
The People then resumed its case-in-chief, presenting the testimony of medical examiner Dr. D’Michelle Dupre, who performed the autopsies of Petrie, Sr., Kuiper, Zivko, and the family dog. According to Dr. Dupre’s testimony, all the victims were killed by multiple gunshots fired at close range, except the dog, who was killed by one gunshot to the head. In addition, Dr. Dupre testified that the drying of the bloodstains suggested Kuiper may have been killed earlier than Zivko, but that ultimately both were killed “within the same general time range.”
After the People rested, Petrie moved for a judgment of acquittal. In his oral motion, Petrie argued that the People failed to satisfy its burden of proving beyond a reasonable doubt that he was sane at the time of the murders. In response, the People argued that circumstantial evidence suggested Petrie was sane at the time of the offenses. The Superior Court denied Petrie’s motion, and Petrie rested. The same day, the jury returned a guilty verdict on all counts'.
In a September 7, 2013 judgment and commitment, the Superior Court sentenced Petrie to three consecutive life sentences without the possibility of parole for the three murders and three consecutive 20-year sentences for unauthorized possession of a firearm during these crimes. The Superior Court also sentenced Petrie to a consecutive term of two years for first-degree animal abuse and a concurrent term of seven years for unauthorized possession of ammunition. Petrie filed a timely notice of appeal on August 27, 2013.3
[407]*407II. JURISDICTION
This Court has jurisdiction over “all appeals arising from final judgments, final decrees or final orders of the Superior Court, or as otherwise provided by law.” 4 V.I.C. § 32(a). The Superior Court’s September 7, 2013 judgment and commitment is a final judgment over which we may exercise jurisdiction. Cascen v. People, 60 V.I. 392, 400 (V.I. 2014); see also Williams v. People, 58 V.I. 341, 345 (V.I. 2013) (a written judgment embodying the adjudication of guilt and the sentence imposed based on that adjudication constitutes a final judgment for purposes of 4 V.I.C. § 32(a)).
III. DISCUSSION
Petrie, as one of several arguments raised on appeal, argues that the Superior Court should have granted his motion for a judgment of acquittal because the People failed to prove beyond a reasonable doubt that Petrie was sane at the time of the offenses. Because we agree, we do not reach his other arguments.4 In addressing the sufficiency of the evidence, “we must view the evidence in the light most favorable to the People, and affirm the conviction[s] if ‘any rational trier of fact could have found the essential elements of the crime[s] beyond a reasonable doubt.’ ” George v. People, 59 V.I. 368, 384 (V.I. 2013) (quoting Mendoza v. People, 55 V.I. 660, 667 (V.I. 2011)).
A. The Insanity Defense in the Virgin Islands
Because the entire trial in this case was conducted using the wrong test for insanity, we must first clarify the insanity defense in the Virgin [408]*408Islands before addressing Petrie’s sufficiency argument. At trial both the Superior Court and the parties labored under the mistaken assumption that the applicable test for insanity was whether the defendant had “sufficient reason to know right from wrong” at the time the offenses were committed.5 This test, commonly referred to as the M’Naghten test, exempts individuals from criminal liability where at the time of committing the offenses the defendant “was labouring under such a defect of reason ... as not to know the nature and quality of the act he was doing; or if he did know it, that he did not know he was doing what was wrong.” M’Naghten’s Case, 8 Eng. Rep. 718 (H.L. 1843). However, the Virgin Islands Legislature explicitly discarded the M’Naghten test in 1957. 14 V.I.C. § 14(4) (1957 revision note); see also Gov’t of the V.I. v. Fredericks, 578 F.2d 927, 938, 15 V.I. 558 (3d Cir. 1978) (Adams, J., dissenting) (examining the development of the insanity defense in the Virgin Islands). In its place, the Legislature enacted section 14(4) of title 14 of the Virgin Islands Code, which provides that “[a]ll persons are capable of committing crimes and offenses except . . . persons who are mentally ill and who committed the act charged against them in consequence of such mental illness.” The language of section 14(4) parallels the “product test” for insanity set out by the United States Court of Appeals for the District of Columbia Circuit in 1954. Durham v. United States, 214 F.2d 862, 874-75, 94 U.S. App. D.C. 228 (D.C. Cir. 1954) (“[A]n accused is not criminally responsible if his unlawful act was the product of mental disease or mental defect.”), abrogated by United States v. Brawner, 471 F.2d 969, 981-82, 153 U.S. App. D.C. 1 (D.C. Cir. 1972); see also Fredericks, 578 F.2d at 940 (Adams, J., dissenting) (section 14(4) “is in essence a codification of the product test which had recently emerged in Durham”).
[409]*409The People argues that the Superior Court did not err in utilizing a test other than that codified in section 14(4) because the United States Court of Appeals for the Third Circuit — sitting in its former capacity as the de facto court of last resort for the Virgin Islands6 — held in Fredericks that it was not error for a trial court applying Virgin Islands law to instruct the jury on the Third Circuit’s test for insanity developed in United States v. Currens, 290 F.2d 751 (3d Cir. 1961). Under the Currens test, a jury must find that “at the time of committing the prohibited act the defendant, as a result of a mental disease or defect, lacked substantial capacity to conform his conduct to the requirements of the law which he is alleged to have violated.” Id. at 774.7 But since the Legislature has statutorily adopted the “product test” for insanity in the Virgin Islands, specifically rejecting other formulations, we cannot endorse the Third Circuit’s holding in Fredericks. See Fredericks, 578 F.2d at 943 (Adams, J., dissenting) (the Third Circuit “[is] not free to set aside the standard which the Virgin Islands Legislature has chosen”); In re Reynolds, 60 V.I. 330, 337 n.7 (V.I. 2013) (this Court “will not rewrite a statute”); Kelley v. Gov’t of the V.I., 59 V.I. 742, 745 (V.I. 2013) (“If the statutory language is unambiguous and the statutory scheme is coherent and consistent, no further inquiry is needed.” (quoting Brady v. Gov’t of the V.I., 57 V.I. 433, 441 (V.I. 2012))). Accordingly, section 14(4) remains the sole test for insanity applicable in the Virgin Islands, to the exclusion of both the M’Naghten test and the Third Circuit’s Currens test.
[410]*410B. Sufficiency of the Evidence
As this Court explained in Nibbs v. People, 52 V.I. 276, 284 (V.I. 2009), to raise the insanity defense a defendant need only introduce “some evidence” tending to show that he was “mentally ill and . . . committed the act charged against [him] in consequence of such mental illness.” Once the defendant introduces “some evidence” of mental illness, the defendant’s sanity at the time of the offense becomes an element of the crime, which, like all other elements of the crime, must be proven by the People beyond a reasonable doubt. See Davis v. United States, 160 U.S. 469, 488, 16 S. Ct. 353, 40 L. Ed. 499 (1895); Wright v. United States, 250 F.2d 4, 7, 102 U.S. App. D.C. 36 (D.C. Cir. 1957) (once the defense of insanity is properly raised, sanity becomes an element of the crime).
To satisfy the “some evidence” test, the defense need only introduce “a slight quantum of evidence.” United States v. McCracken, 488 F.2d 406, 410 (5th Cir. 1974); see also Blake v. United States, 407 F.2d 908, 911 (5th Cir. 1969) (en banc) (defining “some evidence” as “only slight evidence”), superseded by statute as, recognized in United States v. Long, 562 F.3d 325, 332 n.8 (5th Cir. 2009); Smith v. State, 614 P.2d 300, 303 (Alaska 1980) (the “some evidence” test requires that there be more than a scintilla but less than that which would compel reasonable doubt as a matter of law). In this case, Petrie sought to raise the insanity defense by introducing Dr. Spencer’s testimony that Petrie suffered from a “psychotic-disorder” and that his actions in November 2006 were driven by delusional beliefs. In addition, Petrie’s mother testified that the family had a history of mental illness and described in detail Petrie’s personal struggles with mental illness. Combined, the testimony of Dr. Spencer and Petrie’s mother clearly amounted to “some evidence” sufficient to raise the insanity defense and place the burden of proving Petrie’s sanity on the People. See Brock v. United States, 387 F.2d 254, 256-57 (5th Cir. 1967) (testimony of a medical expert as to defendant’s insanity constituted “some evidence” sufficient to raise the insanity defense).
Although not required, once the defense introduces “some evidence” of mental illness, the first and most obvious way the People can satisfy its burden of proving the defendant’s sanity at the time of the offense is by introducing its own expert medical testimony to challenge the defense expert’s medical conclusions. See United States v. [411]*411Shackelford, 494 F.2d 67, 70 (9th Cir. 1974) (“No case . . . holds, as a matter of law, that the Government must meet defendant’s psychiatric testimony with psychiatric testimony of its own.”); Gov’t of the V.I. v. Downey, 396 F. Supp. 349, 355, 12 V.I. 39 (D.V.I. 1975) (the fact that the government failed to produce expert testimony to substantiate its position of sanity does not mean that it has failed to meet its burden); but see Mims v. United States, 375 F.2d 135, 146 (5th Cir. 1967) (“[T]he prosecution usually runs some risk of discharging its burden of proof when it attempts to rebut testimony of experts on the sanity question without offering like testimony.”); United States v. Albright, 388 F.2d 719, 725 (4th Cir. 1968) (introducing a verifying psychiatric examination is “perhaps ... the most trustworthy means of attempting to meet [the] burden” of proving the accused’s sanity). In this case, the People offered no medical testimony that Petrie was sane at the time of the murders. Instead, the People sought to discredit Dr. Spencer’s testimony that Petrie’s actions on the day of the murders were driven by delusional beliefs stemming from an undiagnosed “psychotic disorder.” In particular, the People challenged Dr. Spencer’s ability to conclude that Petrie was driven by delusional beliefs by pointing out that Petrie was not evaluated until approximately three years after the murders. However, merely pointing out the delay between the acts committed and the psychiatric evaluation does nothing to demonstrate that Petrie was sane at the time of the commission of the murders, nor does it undermine any of the bases upon which Dr. Spencer reached his conclusion that Petrie’s actions at the time were a consequence of his delusional beliefs. See Carter v. United States, 252 F.2d 608, 617, 102 U.S. App. D.C. 227 (D.C. Cir. 1957) (“The chief value of an expert’s testimony [on insanity] rests upon the material from which his opinion is fashioned and the reasoning by which he progresses from his material to his conclusion.”). Accordingly, the People’s effort to discredit Dr. Spencer’s conclusions based on the elapsed time between the commission of the offenses and the psychiatric evaluation, without more, was insufficient to prove beyond a reasonable doubt that Petrie committed the murders while sane.
In addition to the People’s attempt to discredit Dr. Spencer’s conclusion that Petrie actions were a consequence of his mental illness, the People presented the lay testimony of the arresting officers as evidence of Petrie’s mental state at the time of arrest. However, before a non-expert witness may testify to the sanity of the defendant, the party [412]*412offering the testimony must show a familiarity with the defendant to clearly indicate that the testimony will be of value in determining the defendánt’s sanity, and the conclusion must be based on the witness’s testimony as to specific instances of behavior or conduct near the time of the offense. See United States v. Anthony, 944 F.2d 780, 782-83 (10th Cir. 1991) (quoting McKenzie v. United States, 266 F.2d 524, 526-27 (10th Cir. 1959)); see also United States v. Milne, 487 F.2d 1232, 1235 (5th Cir. 1973) (recognizing the rule accepted in most jurisdictions that lay opinion as to a person’s sanity is admissible if the witness is sufficiently acquainted with the person involved and has observed his conduct near the time of the offense). The primary testimony of the arresting officers bearing on Petrie’s mental condition at the time of the murders was only that at the time of his arrest — days after the commission of the crimes — Petrie “appeared to be alert” and capable of responding to questions. Significantly, none of the officers testified to having any prior familiarity with Petrie, nor were the officers capable of testifying to Petrie’s mental condition before or at the time of the crimes. See McKenzie, 266 F.2d at 526-27 (evidence of sanity was insufficient where the prosecution relied only on lay testimony of the arresting officers, who were unfamiliar with the defendant and observed nothing unusual or abnormal about the defendant after the alleged crime). Accordingly, the testimony of the arresting officers indicating that Petrie was alert and responsive several days after the murders provided no evidence from which a reasonable juror could conclude beyond a reasonable doubt that Petrie was sane at the time of the murders.
The People also attempted to use the observations of the arresting officers at the time of Petrie’s arrest as circumstantial evidence that Petrie was sane at the time of the murders. In particular, the People relied on the testimony of Officer Felix that when Petrie was arrested, police discovered a pair of bloodstained jeans soaking in a wash bucket and two packed suitcases in Petrie’s room. The officers also observed that the phone cord had been pulled from the wall and that the bodies had been covered up. However, the mere fact that it appeared as though Petrie may have been seeking to conceal his actions — by cleaning his clothes, covering the bodies, pulling the phone cord from the wall, and packing suitcases — provides no insight into whether Petrie was sane when he committed the murders. Indeed, in order for circumstantial evidence that Petrie made efforts to conceal his actions after the murders to be used as [413]*413evidence of his sanity at the time of the murders, the jury would first have to infer that Petrie performed the acts of concealment, then that he did so while sane, and finally — based on these two inferences — that he was sane while committing the murders. See People v. Clarke, 55 V.I. 473, 482 (V.I. 2011) (a verdict cannot rest on the “attenuated piling of inference on inference”) (quoting United States v. Pettigrew, 77 F.3d 1500, 1521 (5th Cir. 1996)); Hughes v. People, 59 V.I. 1015, 1021-22 (V.I. 2013) (“[Speculation is not a substitute for evidence.”). And when there is a complete absence of evidence to show that “the defendant was sane at the critical time, namely, the period when... the killing occurred,” the People has failed to produce sufficient evidence to support a finding of sanity. See Buatte v. United States, 330 F.2d 342, 347 (9th Cir. 1964) (finding insufficient evidence where the prosecution presented no expert medical testimony and lay witnesses were unable to testify to the defendant’s mental condition at the time of the offense).
Requiring the People to produce evidence bearing on a defendant’s sanity during the “critical time period” — either immediately before or during the commission of the offense — is particularly important in cases such as this, where the defendant’s medical expert testified that the defendant was in a “delusional state” before and during the murders. See United States v. Collier, 453 F.2d 1173, 1177 (5th Cir. 1972) (lay testimony of government witnesses who could only testify to observing the conduct of the defendant immediately after the killing — “when he had acted out his delusional pattern and was calmed” — was insufficient to prove the defendant’s sanity beyond a reasonable doubt, particularly where the government provided no expert testimony on the defendant’s sanity). Taken together, the People’s cross-examination of Dr. Spencer, coupled with the lay testimony of the arresting officers, even when viewed in the light most favorable to the People, was simply insufficient to prove beyond a reasonable doubt that Petrie was sane at the time of the offenses.
We turn now to the appropriate remedy. Although this Court has typically held that “ ‘a judgment of acquittal is the appropriate remedy when the evidence is not sufficient to sustain a conviction,’ ” Farrell v. People, 54 V.I. 600, 619 (V.I. 2011) (quoting Gilbert v. People, 52 V.I. 350, 364 (V.I. 2009)), where the People fails to carry its burden of proving beyond a reasonable doubt that the defendant was sane at the time of the offense, the appropriate remedy is to remand with instructions to enter a judgment of not guilty by reason of insanity. Nibbs, 52 V.I. at 292-93; see [414]*414Williams v. United States, 312 F.2d 862, 865 & n.13, 114 U.S. App. D.C. 135 (D.C. Cir. 1962) (when insanity is at issue and the evidence failed to establish that the offenses charged were not the product of the defendant’s mental illness, the defendant is entitled to a directed verdict of not guilty by reason of insanity); People v. Laeke, 2012 CO 13, 271 P.3d 1111, 1116, (2012) (a judgment of not guilty by reason of insanity does not constitute a conviction; rather, it operates as an acquittal of the charged offense).8 Accordingly, due to the absence of sufficient evidence permitting the jury to find beyond a reasonable doubt that Petrie was sane at the time of the offenses, we remand this case and direct the Superior Court to enter a judgment of not guilty by reason of insanity on all of Petrie’s convictions except for unauthorized possession of ammunition.
With regard to that conviction, not only did the People fail to prove his sanity at the time of this offense, but the People also failed to prove that he committed the essential elements of that crime. The People concedes in its brief that it “did not prove that Petrie committed this offense” and that Petrie’s “conviction for unauthorized possession of ammunition should be reversed.” Although the parties may not stipulate to the law, Rohn v. People, 57 V.I. 637, 643 (V.I. 2012), we agree that the evidence here was insufficient. As this Court has previously explained, because 14 V.I.C. § 2256(a) (as it existed at the time of Petrie’s offense) “generally criminalized possession of ammunition ‘unless authorized by law’ but provided no means to obtain such authorization,” the People could not have proven that Petrie committed this offense. Nicholas v. People, 56 V.I. 718, 730 (V.I. 2012) (citing Brown v. People, 55 V.I. 496, 500-01 (V.I. 2011)). Accordingly, on remand, the Superior Court must enter a judgment of acquittal for unauthorized possession of ammunition.
IV. CONCLUSION
The evidence was insufficient to support Petrie’s convictions for first-degree murder, unauthorized possession of a firearm, and first-degree [415]*415animal abuse because the People failed to carry its burden and introduce sufficient evidence to permit a rational jury to conclude beyond a reasonable doubt that Petrie was sane at the time of the offenses. The People also failed to introduce sufficient evidence to support Petrie’s conviction for unauthorized possession of ammunition. Therefore, we reverse Petrie’s convictions and remand to the Superior Court to enter a judgment of acquittal for unauthorized possession of ammunition. Further, we direct the Superior Court to enter judgment finding Petrie not guilty by reason of insanity on the remaining charges and take further action consistent with that judgment.