[169]*169Opinion
MORENO, J.
Following a jury trial at which defendant was convicted of a felony, the court found an allegation that defendant had suffered a prior conviction for a violent felony within the meaning of the “Three Strikes” law “not to be a strike” and sentenced defendant to prison accordingly. Asserting that the trial court erred in finding that the alleged prior conviction was not a strike, the People appeal, relying upon Penal Code section 1238, subdivision (a),1 which permits an appeal by the People from “[a]n order setting aside all or any portion of the indictment” (id., subd. (a)(1)), from “[a]n order or judgment dismissing or otherwise terminating all or any portion of the action” (id., subd. (a)(8)), and from “[t]he imposition of an unlawful sentence” (id., subd. (a)(10)). The Court of Appeal ruled that the People could appeal under section 1238, subdivision (a)(10), reversed the trial court’s order that the alleged prior conviction was not a strike, and remanded the case to the trial court for a retrial of the prior conviction allegation.
We agree with the Court of Appeal that the People may appeal from the judgment pursuant to section 1238, subdivision (a)(10) on the ground that defendant’s sentence is unlawful because the trial court erred in ruling that the alleged prior conviction was not a strike. Accordingly, we need not, and do not, address whether this appeal also is authorized by subdivision (a)(1) and subdivision (a)(8) of section 1238. We disagree, however, with the Court of Appeal’s conclusion that the trial court erred in ruling that the alleged prior conviction was not a strike. Thus, we affirm in part and reverse in part the judgment of the Court of Appeal.
Facts
An information was filed on March 7, 2002, charging defendant Manuel Alex Trujillo with robbery in the second degree in violation of section 211, and assault by means of force likely to produce great bodily injury in violation of section 245, subdivision (a)(1). The information further alleged that defendant had personally inflicted great bodily injury in committing the charged crimes in violation of section 12022.7, subdivision (a). The information alleged that defendant had suffered three prior convictions, two of which were alleged to be prior “strike” convictions for serious or violent felonies within the meaning of the Three Strikes law (§ 667, subds. (b)-(i)).
Prior to trial, the court bifurcated the determination of the truth of the prior conviction allegations from the determination of defendant’s guilt of the charged crimes, and defendant later waived his right to a jury determination [170]*170of the truth of the prior conviction allegations. The jury subsequently found defendant guilty of assault by means of force likely to produce great bodily injury and not guilty of robbery. The jury found not true the allegation that defendant had inflicted great bodily injury.
The court held a bench trial on the prior conviction allegations. The court admitted into evidence, without objection by defendant, certified copies of records showing that defendant previously had been convicted of inflicting corporal injury in violation of section 273.5, subdivision (a) in 1991 and of assault with a deadly weapon in violation of section 245, subdivision (a)(1) in 1989, and had been committed to the California Youth Authority for receiving stolen property in violation of section 496 in 1987.
The prosecutor argued that defendant’s prior convictions for inflicting corporal injury and assault with a deadly weapon were both serious felonies within the meaning of section 1192.7, and thus constituted strikes under the Three Strikes law. The prosecutor acknowledged that neither offense was specifically listed as a serious felony in subdivision (c) of section 1192.7, but argued that both offenses came within subdivision (c)(23), which defines as a serious felony, “any felony in which the defendant personally used a dangerous or deadly weapon.”
Defense counsel conceded that defendant’s prior conviction for assault with a deadly weapon “is clearly a strike” because the information in that case alleged that defendant committed the assault “with a deadly weapon, to wit, a knife.” The parties disagreed, however, over whether defendant’s prior conviction for inflicting corporal injury was a strike.
The documents submitted by the People to prove the prior conviction for inflicting corporal injury reflected that a felony complaint was filed on August 7, 1991, charging defendant with inflicting corporal injury, with a further allegation under section 12022, subdivision (b) that defendant personally used a deadly and dangerous weapon in the commission of the offense. A second count charged defendant with assault with a deadly weapon, “two wit, a knife.” A reporter’s transcript of proceedings on September 5, 1991, reflects that defendant pled guilty pursuant to a plea bargain to inflicting corporal injury. The court agreed to impose a sentence of two years in prison, adding: “The D.A.’s office has agreed to dismiss count 2, the assault with a deadly weapon. They’ve also agreed to strike the allegation that you used a knife in the commission of the felony.” A probation report prepared prior to sentencing reflects that defendant was interviewed on September 16, 1991, and admitted stabbing the victim with a knife during an argument, stating: “I stuck her with the knife.”
[171]*171The prosecutor argued that the prior conviction for inflicting corporal injury was a serious felony based upon defendant’s statement recounted in the probation report that he had personally used a knife. Defense counsel argued the prior conviction was not a serious felony because, regardless of the probation report, defendant “was convicted merely of [section] 273.5, and the use allegation that would have elevated it into a strike or into a serious or violent crime at the time was stricken. Therefore I think whatever he said in the probation report is not relevant and not something the Court can look at because it undermines the conviction itself.”
The trial court found “that the defendant did, in fact, suffer all three prior felony convictions that are alleged in the Information,” and found that defendant’s prior conviction for assault with a deadly weapon was a strike, but agreed with defense counsel that defendant’s prior conviction for inflicting corporal injury was not a strike because the allegation that defendant had personally used a deadly and dangerous weapon in the commission of the offense had been stricken. The court observed that the prosecutor in the prior case “settled the case with the understanding the knife allegation would not be used. It went away. The defendant relied on that.” Accordingly, the trial court found that defendant’s prior conviction for inflicting corporal injury “is not a strike.” The court further found true the allegation that defendant had served a prior prison term based upon his prior conviction for inflicting corporal injury within the meaning of section 667.5, subdivision (b).
On March 7, 2003, defendant was sentenced to a term of seven years in prison, consisting of the midterm of three years for assault by means of force likely to produce great bodily injury “doubled because of the strike,” plus one year for the prior prison term. The People filed a notice of appeal on April 30, 2003.
The Court of Appeal ruled that the People could appeal pursuant to section 1238, subdivision (a)(10), which permits the People to appeal “[t]he imposition of an unlawful sentence,” and held that the trial court erred in ruling that defendant’s prior conviction for inflicting corporal injury was not a strike. The Court of Appeal concluded that the striking of the allegation that defendant had personally used a deadly or dangerous weapon as part of the plea bargain in the prior proceeding did not bar the use of the underlying facts of the prior conviction in the present proceedings. We granted review.
Discussion
People’s Right to Appeal
“The prosecution in a criminal case has no right to appeal except as provided by statute. [Citation.] ‘The Legislature has determined that except [172]*172under certain limited circumstances the People shall have no right of appeal in criminal cases. [Citations.] . . . [f] The restriction on the People’s right to appeal ... is a substantive limitation on review of trial court determinations in criminal trials.’ [Citation.] ‘Appellate review at the request of the People necessarily imposes substantial burdens on an accused, and the extent to which such burdens should be imposed to review claimed errors involves a delicate balancing of the competing considerations of preventing harassment of the accused as against correcting possible errors.’ [Citation.] Courts must respect the limits on review imposed by the Legislature ‘although the People may thereby suffer a wrong without a remedy.’ [Citation.]” (People v. Williams (2005) 35 Cal.4th 817, 822-823 [28 Cal.Rptr.3d 29, 110 P.3d 1239].)
Section 1238 “governs the People’s appeals from orders or judgments of the superior courts.”2 (People v. Douglas (1999) 20 Cal.4th 85, 89-90 [82 Cal.Rptr.2d 816, 972 P.2d 151].) Subdivision (a)(10) of section 1238 provides that the People may appeal from “[t]he imposition of an unlawful sentence,” and defines an “unlawful sentence” as “the imposition of a sentence not authorized by law or the imposition of a sentence based upon an unlawful order of the court which strikes or otherwise modifies the effect of an enhancement or prior conviction.”
The People assert that the sentence in the present case is unlawful as defined in section 1238, subdivision (a)(10) because it is “based upon an unlawful order of the court which . . . modifies the effect of a[] . . . prior conviction.” Specifically, the People argue that the sentence is based upon the trial court’s allegedly erroneous order that defendant’s prior conviction for inflicting corporal injury is not a strike because the allegation in that case that defendant had personally used a deadly and dangerous weapon in the commission of the offense had been stricken as part of a plea bargain. This allegedly “unlawful order” modified the effect of defendant’s prior conviction for inflicting corporal injury upon a spouse by ruling that it is not a serious felony.
[173]*173The prosecutor alleged that defendant had suffered two prior convictions that were serious felonies within the meaning of section 1192.7. Section 667, subd. (e)(2)(A), the Three Strikes law, requires that a defendant who is convicted of a felony and has suffered two or more prior convictions for serious felonies be sentenced to an indeterminate term of life imprisonment. As the prosecutor acknowledged in the trial court, inflicting corporal injury is not one of the offenses specifically listed in section 1192.7, but the prosecutor relied upon subdivision (c)(23) of section 1192.7, which includes within the definition of a serious felony “any felony in which the defendant personally used a dangerous or deadly weapon.”
The trial court ruled that defendant’s prior conviction for inflicting corporal injury was not a strike, concluding that in determining whether defendant had personally used a dangerous or deadly weapon in committing the prior conviction, it could not consider defendant’s statement reflected in the probation report that he had stabbed the victim, because the allegation that defendant had personally used a dangerous or deadly weapon in committing the prior offense had been stricken as part of a plea bargain. If this ruling is “an unlawful order . . . which strikes or otherwise modifies the effect of [a] . . . prior conviction” within the meaning of subdivision (a)(10) of section 1238, as the People contend it is, then defendant’s resulting sentence is unlawful within the meaning of subdivision (a)(10) of section 1238 and the People may appeal. As we observed in People v. Douglas, supra, 20 Cal.4th at pages 94-95, the plain language of subdivision (a)(10) permits the People to appeal “sentences based on assertedly unlawful underlying orders,” and “the underlying orders may be reviewed on appeal.” (See People v. Henderson (1987) 195 Cal.App.3d 1235, 1237-38 [241 Cal.Rptr. 461].) Accordingly, the People in the present case may appeal the imposition of the sentence in order to challenge the trial court’s ruling that defendant’s prior conviction for inflicting corporal injury is not a strike.
Defendant argues that the People may not appeal from a finding that a prior conviction is not true, but his argument misconstrues the circumstances of this case. The People did not appeal from an order finding a prior conviction allegation not true. Rather, the People properly appealed from an allegedly unlawful sentence based upon an allegedly unlawful ruling that a prior conviction was not a strike. As part of such an appeal from an allegedly unlawful sentence, the Court of Appeal may review the trial court’s underlying ruling on the prior conviction allegation.
Defendant argues, for the first time in this court, that we should hold that permitting the People to appeal the sentence in this case “would raise serious constitutional doubts.” Defendant acknowledges that such a holding would effectively overturn our decision in People v. Monge (1997) 16 Cal.4th 826 [66 [174]*174Cal.Rptr.2d 853, 941 P.2d 1121] (Monge I) and disregard the decision of the United States Supreme Court in Monge v. California (1998) 524 U.S. 721 [141 L.Ed.2d 615, 118 S.Ct. 2246] (Monge II). We decline to do so.
In Monge I, the Court of Appeal had reversed the trial court’s true finding on a prior serious felony allegation, and ruled that retrying the allegation would subject the defendant to double jeopardy. We granted review to decide whether the state and federal double jeopardy clauses “apply to a proceeding, in a noncapital case, to determine the truth of a prior serious felony allegation.” (Monge I, supra, 16 Cal.4th 826, 831 (lead opn. of Chin, J.) The lead opinion in Monge I stated that the state and federal prohibitions against double jeopardy do not apply to proceedings in noncapital cases to determine the truth of prior conviction allegations. (Id. at p. 829.) Justice Brown concurred in this result, creating a majority. (Id. at p. 847 (conc. opn. of Brown, J.).)
The United States Supreme Court granted certiorari and, in Monge II, affirmed the judgment, holding that “the Double Jeopardy Clause does not preclude retrial on a prior conviction allegation in the noncapital sentencing context.” (Monge II, supra, 524 U.S. 721, 734.) The high court observed: “Where noncapital sentencing proceedings contain trial-like protections, that is a matter of legislative grace, not constitutional command, Many States have chosen to implement procedural safeguards to protect defendants who may face dramatic increases in their sentences as a result of recidivism enhancements. We do not believe that because the States have done so, we are compelled to extend the double jeopardy bar. Indeed, were we to apply double jeopardy here, we might create disincentives that would diminish these important procedural protections.” (Ibid.) We are not at liberty to, nor are we inclined to, disregard the holding of the United State Supreme Court in Monge II. Nor are we persuaded that we should reconsider Monge I’s conclusion that the California Constitution’s double jeopardy clause does not preclude retrial on a prior conviction allegation in a noncapital sentencing context.
Accordingly, we agree with the Court of Appeal that the People may appeal the imposition of the sentence under section 1238, subdivision (a)(10). The People contend that the sentence in the present case is unlawful because it is based upon the trial court’s allegedly erroneous ruling that the striking of an allegation in the prior case that defendant had personally used a dangerous or deadly weapon precluded the trial court in the present case from relying on defendant’s admission that he had stabbed the victim. Thus, the People may appeal under section 1238, subdivision (a)(10) on the ground that the resulting sentence was unlawful.
[175]*175
The Prior Conviction Was Not a Strike
Although the Court of Appeal correctly concluded that the People could appeal the imposition of the sentence, it erred in reversing the trial court’s ruling that defendant’s prior conviction for inflicting corporal injury was not a strike. The prosecutor in the present case submitted the probation officer’s report, which included defendant’s admission that he had stabbed the victim with a knife. The trial court ruled, however, that it could not consider defendant’s admission, because the allegation that defendant had personally used a dangerous or deadly weapon in committing the prior offense had been stricken as part of a plea bargain, reasoning that the prior case had been settled “with the understanding the knife allegation would not be used. It went away. The defendant relied on that.” The Court of Appeal reversed, reasoning that the plea bargain in the prior case that, in part, struck the allegation that defendant had personally used a deadly weapon did not “bar the use of the facts underlying the stricken enhancement in sentencing on a subsequent conviction” and concluded that “the trial court’s refusal to consider defendant’s statement [reflected in the probation report] constituted judicial error and deprived the prosecution of a full and fair opportunity to prove that the prior offense was a ‘serious’ felony.” We disagree. Although we employ different reasoning than that utilized by the trial court, we conclude that the trial court correctly declined to consider the statement attributed to defendant in the probation officer’s report in determining whether defendant had suffered a prior conviction for a serious felony as defined in section 1192.7, subdivision (c)(23).
As noted above, the information alleged that defendant’s prior conviction for inflicting corporal injury in violation of section 273.5, subdivision (a) was a serious felony within the meaning of the Three Strikes law (§ 667, subds. (b)-(i)), which, among other provisions, mandates an enhanced sentence if a defendant has one or more prior felony convictions for a serious felony as defined in section 1192.7, subdivision (c). The list of serious felonies in section 1192.7, however, is not limited “to specific, discrete offenses.” (People v. Jackson (1985) 37 Cal.3d 826, 831 [210 Cal.Rptr. 623, 694 P.2d 736].) For instance, section 1192.7, subdivision (c)(23), upon which the prosecution relied here, defines as a serious felony “any felony in which the defendant personally used a dangerous or deadly weapon.” We have construed such provisions “as referring not to specific criminal offenses, but to the criminal conduct described therein, and applicable whenever the prosecution pleads and proves that conduct.” (People v. Jackson, supra, 37 Cal.3d 826, 832.)
In Jackson, the defendant entered into a plea bargain under which he admitted that he had suffered a prior conviction for a residential burglary. At [176]*176the time, former section 1192.7, subdivision (18) defined burglary of a residence as a serious felony. (People v. Jackson, supra, 37 Cal.3d 826, 832; Prop. 8, § 7, as approved by voters, Primary Elec. (June 8, 1982).) We gave effect to the defendant’s admission that his prior second degree burglary conviction “involved burglary of a residence,” but warned that, in general, “proof of the residential character of the burglary encounters obstacles.” (People v. Jackson, supra, 37 Cal.3d 826, 836, fn. omitted.) We observed: “The record of a conviction for second degree burglary would not prove entry into a residence, even if the pleadings included superfluous allegations to that effect. [Citation.] Moreover, the People could not go behind that record to prove a fact which was not then an element of the crime. [Citations.] A contrary holding, permitting the People to litigate the circumstances of a crime committed years in the past, would raise serious problems akin to double jeopardy and denial of speedy trial.” (Id. at p. 836.)
In People v. Alfaro (1986) 42 Cal.3d 627, 629 [230 Cal.Rptr. 129, 724 P.2d 1154], we reaffirmed our statement in Jackson that “in proving a prior conviction was a ‘serious felony’ . . . , proof was limited to matters necessarily established by the prior conviction.” The prosecution had sought to prove that the defendant in Alfaro had suffered a prior conviction in 1974 for the serious felony of residential burglary by introducing a copy of the information in the prior conviction, which alleged that the defendant “ ‘entered the house of Shelby Gilbert’ ” and a minute order showing the defendant had pled guilty to the charge “ ‘as set forth in the Information.’ ” (Id. at pp. 630, 631.) We held that “the judgment in the 1974 burglary proceeding did not establish that defendant entered a residence. While the information so alleged, such entry was not an element of the crime. Defendant’s guilty plea constituted ‘a judicial admission of every element of the offense charged’ [citation], but only that; it did not admit other allegations in the pleadings. [Citation.]” (Id. at p. 636.) We observed: “The virtue of this analysis is that proof of the prior conviction is limited to matters which fall within the doctrine of collateral estoppel and thus cannot be controverted. Proof is simple and conclusive. The contrary view . . .—that residential entry is conduct which can be proved like any other controverted question of fact—creates obvious difficulties. The prosecution could then introduce documentary and testimonial evidence to show that the prior burglary involved a residence; defendant could introduce contrary evidence or argue that the prosecution’s evidence does not prove the point beyond a reasonable doubt. The net result would resemble retrial of the original burglary charge.” (Id. at pp. 634-635.)
The holding in Alfaro that in determining the truth of an allegation that a defendant had been convicted of a serious felony the trier or fact “was limited to matters necessarily established by the prior conviction” was short lived. (People v. Alfaro, supra, 42 Cal.3d at p. 629.) We reconsidered the issue little [177]*177more than a year later in People v. Guerrero (1988) 44 Cal.3d 343 [243 Cal.Rptr. 688, 748 P.2d 1150], overruled our holding in Alfaro, and held instead that “the trier of fact may look to the entire record of the conviction.” (People v. Guerrero, supra, 44 Cal.3d at p. 345.)
It was alleged in People v. Guerrero that the defendant had suffered two prior convictions for residential burglary, which is a serious felony. The truth of the prior conviction allegations was tried to the court, which reviewed “the record of each conviction, which included an accusatory pleading charging a residential burglary and defendant’s plea of guilty or nolo contendere” and found the allegations true. (People v. Guerrero, supra, 44 Cal.3d at p. 345.) In holding that the trial court “acted properly” in reviewing the accusatory pleading to determine that the burglary of which the defendant was convicted was a residential burglary and thus a serious felony, we held that in determining the truth of a prior conviction allegation, the trier of fact may “look beyond the judgment to the entire record of the conviction” (id. at p. 356) “but no further" (id. at p. 355). This rule was fair, we observed, because “it effectively bars the prosecution from relitigating the circumstances of a crime committed years ago and thereby threatening the defendant with harm akin to double jeopardy and denial of speedy trial.” (Ibid.) We expressly declined to address, however, “such questions as what items in the record of conviction are admissible and for what purpose.” (Id. at p. 356, fn. 1.) We did not decide in Guerrero, therefore, whether the trier of fact could consider statements attributed to the defendant in a probation report in determining the nature of the crime of which the defendant was convicted.
In People v. Reed (1996) 13 Cal.4th 217, 230 [52 Cal.Rptr.2d 106, 914 P.2d 184], we held that a reporter’s transcript of a preliminary hearing is a part of the record of a prior conviction within the meaning of the rule announced in Guerrero. We recognized that the term “record of conviction” could be “used technically, as equivalent to the record on appeal [citation], or more narrowly, as referring only to those record documents reliably reflecting the facts of the offense for which the defendant was convicted.” (Id. at p. 223.) We held that a reporter’s transcript of a preliminary hearing “falls within even the narrower definition because the procedural protections afforded the defendant during a preliminary hearing tend to ensure the reliability of such evidence. Those protections include the right to confront and cross-examine witnesses and the requirement those witnesses testify under oath, coupled with the accuracy afforded by the court reporter’s verbatim reporting of the proceedings.” (Ibid.)
We expressly declined to decide in Reed whether an excerpt from a probation officer’s report is part of the record of conviction, stating: “Whether the probation officer’s report also falls within the more narrow definition of [178]*178record of conviction presents a closer question.” (People v. Reed, supra, 13 Cal.4th 217, 230.) We declined to reach that question because we concluded that the excerpt from the probation officer’s report in that case was multiple hearsay that did not fall within a recognized exception to the hearsay rule. (Ibid.)
The Court of Appeal in People v. Monreal (1997) 52 Cal.App.4th 670 [60 Cal.Rptr.2d 737] reached the issue we left open in Reed and held that a probation officer’s report is part of the record of a prior conviction, and a defendant’s admission reflected in such a report may be considered in determining the nature of a prior conviction. We disagree, however, with the holding in Monreal.
The defendant in Monreal had suffered a prior conviction for assault with a deadly weapon or by means of force likely to produce great bodily injury in violation of section 245, subdivision (a)(1). The prosecution sought to prove that this prior conviction was for a serious felony because the defendant “personally used a dangerous or deadly weapon” within the meaning of section 1192.7, subdivision (c)(23). The People proffered the abstract of judgment, which reflected that the defendant had been convicted after a jury trial of “assault with a knife.” (People v. Monreal, supra, 52 Cal.App.4th 670, 674.) In order to establish that the defendant had personally used the knife, as required by section 1192.7, subdivision (c)(23), the People also produced the probation officer’s report, which stated that the defendant told the probation officer that he had stabbed the victim with a knife.
The Court of Appeal in Monreal concluded that the statement was admissible even though it was double hearsay because it fell within the exceptions for an admission by a party (Evid. Code, § 1220) and a record by a public employee (Evid. Code, § 1280). The court in Monreal then considered the issue we left open in Reed of whether the probation officer’s report is part of the “record of conviction,” noting that our decision in Reed had “suggested two possible meanings for ‘record of conviction,’ either ‘the record on appeal... or more narrowly,. .. only . . . those record documents reliably reflecting the facts of the offense for which the defendant was convicted ....’” (People v. Monreal, supra, 52 Cal.4th at p. 675.) The court in Monreal concluded the probation report was part of the record of the conviction under either definition. The probation report certainly was part of the record on appeal, and the court in Monreal concluded the report was sufficiently reliable, even though it recognized “that the procedural protections which support the reliability of a preliminary hearing transcript are not applicable to a probation officer’s report of a defendant’s admissions.” (Id. at p. 679.) The Monreal decision thus concluded that the trial court properly considered the defendant’s statement in the probation officer’s report in concluding that [179]*179the defendant’s prior conviction was for a serious felony because he personally used a deadly or dangerous weapon. (See also People v. Mobley (1999) 72 Cal.App.4th 761, 796 [85 Cal.Rptr.2d 474] [finding Monreal’s “reasoning and holdings dispositive”].)
We reach a different conclusion than the court in Monreal, but for reasons not considered in that decision; we conclude that a defendant’s statements, made after a defendant’s plea of guilty has been accepted, that appear in a probation officer’s report prepared after the guilty plea has been accepted are not part of the record of the prior conviction, because such statements do not “reflecto the facts of the offense for which the defendant was convicted.” (People v. Reed, supra, 13 Cal.4th at p. 223.) We recognized in People v. McGee (2006) 38 Cal.4th 682, 691 [42 Cal.Rptr.3d 899, 133 P.3d 1054], that in determining whether a prior conviction is for a serious felony “ ‘the nature of the conviction is at issue.’ ” We explained that “the relevant inquiry in deciding whether a particular prior conviction qualifies as a serious felony for California sentencing purposes is limited to an examination of the record of the prior criminal proceeding to determine the nature or basis of the crime of which the defendant was convicted.” (Ibid., italics added.)
A statement by the defendant recounted in a postconviction probation officer’s report does not necessarily reflect the nature of the crime of which the defendant was convicted. In the present case, for example, the prosecution did not attempt to prove that defendant used a knife and, instead, entered into a plea bargain in which it dismissed the allegation that defendant used a deadly or dangerous weapon and committed an assault with a deadly weapon. The prosecution could not have compelled defendant to testify, and thus could not have used defendant’s subsequent admission that he stabbed the victim to convict him. Once the court accepted his plea, defendant could admit to the probation officer having stabbed the victim without fear of prosecution, because he was clothed with the protection of the double jeopardy clause from successive prosecution for the same offense. (Texas v. Cobb (2001) 532 U.S. 162, 173 [149 L.Ed.2d 321, 121 S.Ct. 1335].) Defendant’s admission recounted in the probation officer’s report, therefore, does not describe the nature of the crime of which he was convicted and cannot be used to prove that the prior conviction was for a serious felony.
We agree with the concurring and dissenting justices that information that comes to the court’s attention after it has accepted a plea of guilty may be considered by the trial court in deciding such matters as whether to withdraw its prior approval of the plea (People v. Johnson (1974) 10 Cal.3d 868, 873 [112 Cal.Rptr. 556, 519 P.2d 604]) and, of course, in determining the appropriate sentence. But we disagree with the concurring and dissenting justices’ leap in logic that this means that defendant’s admission to his [180]*180probation officer in the prior case that he stabbed the victim, made after the trial court had accepted his guilty plea pursuant to a plea bargain dismissing all allegations that he had stabbed the victim, “reflects] the facts of the offense for which the defendant was convicted.” (People v. Reed, supra, 13 Cal.4th 217, 223.)
As the concurring and dissenting justices acknowledge, “a defendant’s guilty plea, on which a sentence has not yet been imposed, constitutes a conviction for purposes of imposing an enhanced sentence.” (Conc. & dis. opn. of Baxter, J., post, at p. 184, citing People v. Laino (2004) 32 Cal.4th 878, 882 [11 Cal.Rptr.3d 723, 87 P.3d 27] & People v. Rhoads (1990) 221 Cal.App.3d 56, 60 [270 Cal.Rptr. 266].) Defendant’s admission in the present case, therefore, was made after defendant was convicted and does not reflect the facts upon which he was convicted.
Barring the use of a defendant’s statement reflected in a probation officer’s report to prove that an alleged prior conviction was for a serious felony is consistent with our rule in People v. Guerrero that in determining the nature of a prior conviction, the court may look to the entire record of the conviction, “but no further.” (People v. Guerrero, supra, 44 Cal.3d 343, 355.) The reason for this limitation was to “effectively bar[] the prosecution from relitigating the circumstances of a crime committed years ago and thereby threatening the defendant with harm akin to double jeopardy and denial of speedy trial.” (Ibid.) Permitting a defendant’s statement made in a postconviction probation officer’s report to be used against him to establish the nature of the conviction would present similar problems, creating harm akin to double jeopardy and forcing the defendant to relitigate the circumstances of the crime.
A defendant’s statements in the probation officer’s report differ in this respect from a reporter’s transcript of the preliminary hearing, which is admissible to prove the nature of the prior conviction. (People v. Reed, supra, 13 Cal.4th at pp. 223-229; People v. Blackburn (1999) 72 Cal.App.4th 1520, 1531 [86 Cal.Rptr.2d 134].) The transcript of a preliminary hearing contains evidence that was admitted against the defendant and was available to the prosecution prior to the conviction. The transcript of a preliminary hearing, therefore, sheds light on the basis for the conviction.
A defendant’s statements in the probation officer’s report also differ from an appellate court decision, which can be relied upon to determine the nature of a prior conviction because it may disclose the facts upon which the conviction was based. (People v. Woodell (1998) 17 Cal.4th 448, 457 [71 Cal.Rptr.2d 241, 950 P.2d 85].) We held in Woodell “that appellate opinions, in general, are part of the record of conviction that the trier of fact may [181]*181consider in determining whether a conviction qualifies under the sentencing scheme at issue.” (Ibid.) We warned, however, that “[w]hether and to what extent an opinion is probative in a specific case must be decided on the facts of that case.” (Ibid.)3
Accordingly, the trial court correctly declined to consider defendant’s statement recounted in the probation officer’s report of the prior conviction, and correctly determined that the prior conviction was not a serious felony within the meaning of the Three Strikes law (§ 667, subds. (b)-(i)).
Disposition
The judgment of the Court of Appeal is reversed to the extent that it reversed the “ ‘not true’ finding on the prior conviction in Santa Clara County Superior Court case No. 149886.” In all other respects, the judgment of the Court of Appeal is affirmed.
George, C. J., Kennard, J., and Werdegar, J., concurred.