Client Autonomy Bars Counsel from Conceding Guilt to Any Homicide Offense Over Express Objection (McCoy Structural Error)

I. Introduction

People v. Chhuon and Pan is a capital appeal arising from two violent crime sprees in 1995: (1) a Sacramento home-invasion robbery attempt culminating in the murders of Nghiep Thich Le and Hung Dieu Le and the attempted murder of Quyen Luu; and (2) a Pomona drive-by shooting killing Miguel Vargas Avina and injuring Rodolfo Huerta. Defendants Run Peter Chhuon and Samreth Sam Pan were tried jointly before separate juries and sentenced to death.

The opinion resolves three clusters of issues with broad doctrinal consequences: (a) joinder/venue for murders in different counties under Penal Code section 790(b) (including retroactivity, ex post facto, and vicinage challenges); (b) the Sixth Amendment “client autonomy” limit on counsel’s ability to concede guilt—especially to lesser homicide offenses—over a defendant’s express objection; and (c) post–Assembly Bill No. 333 gang enhancement reversals where the prosecution relied on the “currently charged offense” as a predicate for the “pattern of criminal gang activity.”

II. Summary of the Opinion

• Pan: Judgment reversed in its entirety. The Court held Pan’s counsel violated Pan’s right to decide the objective of his defense by conceding guilt to second degree murder in closing argument against Pan’s express wishes, constituting structural error under McCoy v. Louisiana and People v. Bloom. The Court concluded the concession permeated the whole case such that all convictions and related findings must be reversed.
• Chhuon: Judgment largely affirmed, but the true finding on Chhuon’s gang enhancement was vacated and remanded for possible retrial under the stricter post–Assembly Bill No. 333 requirements (as conceded by the Attorney General). The Court rejected Chhuon’s remaining guilt/penalty claims, including joinder, evidentiary objections, instructional issues, most penalty-phase challenges, and his California Racial Justice Act (RJA) claim.

III. Analysis

A. Precedents Cited (and How They Shape the Holding)

1. Client autonomy and structural error: McCoy v. Louisiana and People v. Bloom

The Court’s reversal of Pan’s judgment is driven by McCoy v. Louisiana (2018) 584 U.S. 414, which distinguished tactical “trial management” decisions from fundamental objectives reserved to the accused—most importantly, the objective to “assert innocence.” McCoy held that when counsel concedes guilt over a defendant’s express objection, the violation is “structural” and not subject to harmless-error review.

California’s own elaboration in People v. Bloom (2022) 12 Cal.5th 1008 is pivotal. Bloom emphasized that the decision whether to concede guilt—even to a lesser offense—“necessarily belongs to the defendant,” and it required reversal without a prejudice showing for the “affected counts and associated allegations.” Here, the Court treats Pan’s counsel as having done precisely what Bloom forbids: conceding second degree murder as a strategy to avoid death, despite Pan’s insistence that counsel not claim “any guilt.”

What is most significant is the Court’s treatment of the Attorney General’s “conditional/alternative concession” framing. The Court does not announce a categorical rule that all conditional concessions violate McCoy; instead, it examines the argument “in full,” the contemporaneous post-argument dispute, and the prosecutor’s rebuttal characterization. Those contextual indicators convince the Court that this was “not a limited, conditional concession.” It then extends reversal to all charges because the conceded murders and the remaining charges (attempted murders, burglary/robbery, firearm and gang findings) were functionally inseparable on this record.

2. Joinder/venue across counties and retroactivity: Tapia v. Superior Court, People v. Trujeque, Peugh v. United States, and joinder line

The joinder ruling rests on (i) retroactivity doctrine for procedural statutes and (ii) the breadth of “connected together in their commission.”

• Tapia v. Superior Court (1991) 53 Cal.3d 282: used to characterize section 790(b) as regulating “the conduct of trials,” thus applicable to future trials even for crimes committed before enactment.
• People v. Trujeque (2015) 61 Cal.4th 227 and Calder v. Bull (1798) 3 U.S. (3 Dall.) 386: provide the ex post facto categories and the “operative event” focus on criminal conduct.
• Peugh v. United States (2013) 569 U.S. 530: supplies the “sufficient risk of increasing the measure of punishment” standard; the Court finds no such risk because death eligibility existed via the prior-murder special circumstance regardless of joinder.
• Alcala v. Superior Court (2008) 43 Cal.4th 1205, People v. Westerfield (2019) 6 Cal.5th 632, and allied cases (including People v. Scott (2015) 61 Cal.4th 363, People v. Armstrong (2016) 1 Cal.5th 432, People v. Landry (2016) 2 Cal.5th 52, People v. Mendoza (2000) 24 Cal.4th 130, People v. Romero and Self (2015) 62 Cal.4th 1, and People v. Matson (1974) 13 Cal.3d 35): collectively justify a broad “common element of substantial importance” approach. The Court deems the Sacramento and Pomona murders connected because they were committed together within 12 days and linked ballistically through guns used in Bun’s murder.

3. Vicinage and venue: Price v. Superior Court, People v. Ng, People v. Clark

The Court reiterates that the federal Sixth Amendment vicinage clause is not incorporated against the states (People v. Ng (2022) 13 Cal.5th 448), rejecting the federal vicinage challenge. For the state vicinage principle (derived from article I, section 16), People v. Clark (2016) 63 Cal.4th 552 supports the “reasonable relationship” test satisfied here by section 790(b)’s “connected together” requirement.

4. Gang enhancements after Assembly Bill No. 333: People v. Tran and predicate-offense law (People v. Loeun)

Relying on People v. Tran (2022) 13 Cal.5th 1169, the Court holds that because the jury was not instructed under the amended statute barring use of the “currently charged offense” to establish a “pattern of criminal gang activity” (Pen. Code, § 186.22, subd. (e)(2)), the gang true findings cannot stand unless harmless beyond a reasonable doubt—a standard the Attorney General concedes cannot be met where the sole predicates were the charged offenses. The opinion then addresses (for retrial/double jeopardy purposes) sufficiency under the former law, invoking People v. Loeun (1997) 17 Cal.4th 1 on then-permissible use of charged offenses as predicates.

5. Felony-murder special circumstances for nonkillers: People v. Banks, People v. Clark, In re Scoggins

Although Pan’s entire judgment is reversed on McCoy grounds, the Court addresses sufficiency for attempted murder and special circumstances to determine retrial permissibility. The “major participant” and “reckless indifference” framework comes from People v. Banks (2015) 61 Cal.4th 788, People v. Clark, and In re Scoggins (2020) 9 Cal.5th 667.

6. RJA standards and context: People v. Wilson, People v. Bankston, and procedural vehicle: People v. Frazier

The Court applies the RJA (Pen. Code, § 745) through the lens of People v. Wilson (2024) 16 Cal.5th 874, emphasizing context and statutory definitions of “racially discriminatory language.” It repeatedly cites the just-decided People v. Bankston (June 1, 2026, S044739) ___ Cal.5th ___ for the instruction that context matters and for applying a harmlessness analysis (beyond a reasonable doubt) to any assumed RJA violation in this posture. The Court denies a remand request for additional RJA fact development, noting habeas is available per People v. Frazier (2024) 16 Cal.5th 814.

B. Legal Reasoning

1. Section 790(b) joinder: procedural retroactivity + no ex post facto “sufficient risk”

The Court treats section 790(b) as a trial-management/jurisdictional rule, making it applicable to a 2000 joinder motion despite 1995 crimes (Tapia v. Superior Court). Ex post facto is rejected because (a) death eligibility existed through other special circumstances (notably prior-murder special circumstance under § 190.2, subd. (a)(2)) even without joinder, and (b) joinder did not alter evidentiary sufficiency rules or meaningfully shift the penalty-phase evidentiary landscape given § 190.3’s broad aggravation evidence allowances.

On the statutory “connected together in their commission” requirement, the Court applies the expansive section 954 jurisprudence (via Alcala and Westerfield) and finds substantial common elements: the same two defendants acting together within 12 days and a ballistic linkage through guns used in Bun’s murder.

2. Severance: no undue prejudice under the Gomez/Simon factors

Assuming lack of cross-admissibility, the Court nevertheless finds no abuse of discretion under People v. Gomez (2018) 6 Cal.5th 243: neither incident was uniquely inflammatory; neither was markedly weaker such that spillover risk was decisive; and joinder did not create capital exposure because capital eligibility existed independently (People v. Simon (2016) 1 Cal.5th 98).

3. Pan’s reversal: what makes this McCoy error (and why it reaches everything)

The Court’s core move is to treat the closing argument as an actual concession of guilt (not a mere “if you find X, then Y” fallback). It relies on four reinforcing signals:

• Text of counsel’s argument: “My client is guilty, if anything, of second degree murder. And I ask [you to] return that verdict.”
• Pan’s contemporaneous objection: a written complaint immediately after closing that he had “specifically instructed” counsel not to claim guilt.
• Counsel’s confirmation: counsel admitted Pan opposed the approach, but counsel did it to preserve credibility and avert death by aiming for second degree verdicts.
• Prosecutor’s rebuttal: the prosecution amplified the concession as an admission of guilt, and defense counsel did not correct that framing.

The structural-error consequence follows directly from McCoy and Bloom. The most notable extension is remedial: although counsel did not expressly concede every charge by name, the Court holds the murders concession necessarily infected the jury’s consideration of interwoven attempted murders and enhancement findings (including firearm and gang allegations) because of simultaneity and factual dependence. Thus, the entire judgment falls, not only the homicide counts.

4. Gang enhancements: instructional error under amended § 186.22 and retrial viability under former law

Accepting the Attorney General’s concession, the Court vacates gang enhancements because the jury was permitted to use charged offenses as predicates—now forbidden by § 186.22, subd. (e)(2)—and harmlessness cannot be shown under Tran. For Pan’s double jeopardy argument against retrial, the Court assesses sufficiency under the former law and finds enough evidence that TRG’s “primary activities” and “pattern” could be established using the charged murders (per Loeun), and that the Pomona shooting was gang-motivated (a “prototypical” drive-by scenario per People v. Livingston (2012) 53 Cal.4th 1145, and consistent with People v. Rivera (2019) 7 Cal.5th 306 and People v. Albillar (2010) 51 Cal.4th 47).

5. RJA: narrow defendant-focused coverage, context-based assessment, and harmlessness as applied

The majority rejects claims that the prosecutor’s use of nicknames, references to immigration circumstances, Buddhism-related themes, and certain descriptors amounted to “racially discriminatory language” or “bias or animus” toward Chhuon under § 745, subd. (a)(1)–(2). Two doctrinal features stand out:

• Defendant-centered statutory lens: the Court reads § 745, subd. (a)(1)–(2) as targeting bias “towards the defendant” and discriminatory language “about the defendant,” limiting arguments premised on stereotypes about witnesses or victims unless they operate as bias against Chhuon.
• Context-first method: invoking Bankston, the Court repeatedly treats prosecutorial remarks as responses to defense mitigation themes rather than race-based “othering.” Even where it assumes arguendo that a remark might violate the RJA, it applies harmless-beyond-a-reasonable-doubt review and finds no contribution to the death judgment given the breadth and brutality of aggravating evidence (multiple murders, child victims, rape at knifepoint, jail weapon threats).

Justice Liu’s concurring and dissenting opinion sharply disputes this approach, arguing the prosecutor repeatedly invoked cultural scripts about Cambodian immigrants and Buddhism, implicitly appealing to racial bias under § 745, subd. (h)(4), and that such framing could “shift the entire frame” of the jury’s moral penalty decision in a way not easily neutralized by conventional evidence-strength weighing.

C. Impact

1. Defense practice: heightened McCoy compliance, especially in capital cases

This decision intensifies the practical risk to convictions where counsel “gives up” guilt to maintain penalty-phase credibility. Even a “lesser offense” concession (second degree murder) triggers structural reversal if the defendant expressly rejects any admission of guilt. The opinion also illustrates how appellate courts may treat “alternative” language as a real concession when (i) counsel’s bottom-line ask is a guilty verdict, (ii) the prosecution capitalizes on it, and (iii) counsel does not correct the record. Trial judges can expect more mid-trial autonomy disputes, and defense teams will need clearer, documented client decisions (and careful, non-concessionary argument structures) when pursuing “damage control” defenses.

2. Remedy scope: “affected counts” may expand to the whole judgment when charges are interdependent

By reversing all of Pan’s convictions despite concessions directed primarily at homicide offenses, the Court signals that “affected counts and associated allegations” (Bloom) can include any offenses and enhancements that become practically non-severable from the conceded core (e.g., contemporaneous attempted murders, firearm use, gang findings tied to the same episode). This is likely to influence how parties litigate severability and partial retrial after autonomy violations.

3. Gang enhancements: AB 333 compliance and proof strategy changes

The Court’s vacatur underscores a recurring AB 333 pitfall: prosecutions can no longer rely on the charged case itself to supply predicates for the “pattern.” Future litigation will focus on (i) admissible, noncharged predicate offenses; (ii) proof that predicates “commonly benefited” the gang in a way “more than reputational”; and (iii) careful jury instructions to avoid Tran-type reversals.

4. Cross-county murder prosecutions: section 790(b) remains broad and durable

The opinion consolidates prior doctrine that section 790(b) is procedural, not ex post facto when applied to pre-enactment crimes, and that “connected together in their commission” is a capacious joinder standard. Serial or multi-county murder prosecutions will continue to be consolidated where defendants, timing, and weapons/ballistics provide a substantial common thread, even without strict cross-admissibility.

5. RJA appellate review: context and harmlessness will be central battlegrounds

The majority’s approach—narrowly focusing on defendant-directed bias and applying beyond-a-reasonable-doubt harmlessness to assumed RJA violations—contrasts with Justice Liu’s view that culturally coded narratives can reframe moral judgment in ways not amenable to traditional prejudice analysis. That divide foreshadows further high-stakes disputes over what “implicitly appeals to racial bias” means in courtroom rhetoric and how prejudice should be assessed in penalty determinations.

IV. Complex Concepts Simplified

• “Client autonomy” (McCoy): Some decisions are the defendant’s alone—especially whether the defense objective is “I didn’t do it.” A lawyer may not concede guilt (even partly) if the client expressly insists on innocence.
• Structural error: An error that affects the framework of the trial (who decides the objective), requiring automatic reversal without asking whether the outcome would likely have been the same.
• Joinder under § 790(b): Allows multiple murders from different counties to be tried together in one county if they are “connected together in their commission” (a broad “common thread” test).
• Ex post facto “sufficient risk” (Peugh): A procedural change is unconstitutional only if it creates a meaningful risk of increasing punishment for past conduct, not merely a speculative one.
• Evidence Code § 1101(b) and § 352: Prior bad acts can come in to prove things like identity/motive/plan, but the judge must exclude them if unfair prejudice substantially outweighs probative value.
• AB 333 gang “pattern” rule: The charged crime in the current case cannot itself be used as one of the predicate offenses to prove the gang’s “pattern of criminal gang activity.”
• “Major participant” and “reckless indifference” (Banks/Clark): For certain felony-murder special circumstances, a nonkiller can be death-eligible only if their role was major and they knowingly engaged in conduct showing extreme disregard for human life.
• RJA “racially discriminatory language” (§ 745, subd. (h)(4)): Language can violate the statute even without intent if, to an objective observer, it explicitly or implicitly appeals to racial bias, including coded references to culture, ethnicity, or national origin.

V. Conclusion

People v. Chhuon and Pan is most consequential for its enforcement of the defendant’s autonomy over the objective of the defense. The Court treats a concession to second degree murder—made to preserve penalty-phase credibility—as a paradigmatic McCoy/Bloom structural violation when the client expressly rejected any admission of guilt, and it demonstrates that the remedial sweep can extend to an entire judgment where counts and allegations are factually interlocked.

Alongside that headline, the Court fortifies California’s broad multi-county murder joinder regime under section 790(b), and it continues the AB 333-driven dismantling of gang enhancements where the prosecution relied on charged offenses to prove the gang “pattern.” Finally, the sharply divided RJA discussion highlights an emerging fault line: whether culturally coded prosecutorial narratives are best policed through strict “objective observer” sensitivity (as Justice Liu urges) or through context-heavy interpretation plus harmlessness review (as the majority applies).