State v. Larson (2026 MT 55): Speedy-Trial Delay Is Counted Only When an Act Postpones the Trial/Disposition Date; Plea Negotiations Are Not a Waiver and the Clock Ends at the Plea

Court: Supreme Court of Montana
Date: March 17, 2026
Case: State of Montana v. Andrew David Larson, DA 23-0618
Procedural posture: No-contest plea with reservation of the right to appeal the denial of a motion to dismiss for lack of speedy trial.

1. Introduction

State v. Larson addresses whether a 476-day interval between accusation and disposition violated Andrew Larson’s federal and state constitutional rights to a speedy trial. The case arose from a March 18, 2022 incident in Ravalli County: Larson stole a pickup from a car dealership, led law enforcement on a high-speed chase through construction zones, and was found with a blood alcohol concentration of .259. The State charged him by Information with multiple felonies and misdemeanors, including felony DUI (fourth or subsequent), criminal endangerment, and theft.

The key issue was not whether the delay exceeded Montana’s 200-day “trigger” threshold (it did), but how the delay should be attributed and weighed under Montana’s four-factor Ariegwe balancing test given Larson’s multiple overlapping criminal cases, plea negotiations, continuances, and docket prioritization decisions by the District Court.

2. Summary of the Opinion

The Montana Supreme Court affirmed the denial of Larson’s motion to dismiss. Applying the State v. Ariegwe four-factor test, the Court held that although the 476-day delay (276 days beyond the 200-day trigger) weighed initially in Larson’s favor, the reasons for delay, Larson’s responses, and the absence of actual prejudice ultimately favored the State.

Key clarifications in this Opinion:
  • In speedy-trial “reasons for delay” analysis, courts consider only actions that actually postpone the scheduled trial/disposition date; events that do not move the trial date are not “delay.”
  • A defendant’s motion to vacate a trial date to set a change-of-plea hearing is not automatically a block of defendant-attributable delay; only the portion that pushes the matter past the existing trial date counts.
  • The speedy-trial measurement ends at the date of disposition (here, the no-contest plea), not a later, now-irrelevant trial setting.
  • Prior defendant-caused continuances do not constitute an implied “waiver” of speedy-trial rights for later periods; attribution remains period-specific.

3. Analysis

3.1 Precedents Cited

The Court’s analysis is anchored in Montana’s modern speedy-trial framework and a series of decisions refining attribution, weighting, and prejudice:

  • State v. Ariegwe, 2007 MT 204
    Role in Larson: The controlling framework. The Court applied Ariegwe’s four factors—length of delay, reasons for delay, defendant’s response, and prejudice—and relied on Ariegwe for (i) the 200-day trigger, (ii) the requirement to identify discrete periods of “delay,” (iii) attribution rules (State bears default responsibility unless defendant causes/waives), (iv) the concept of “institutional delay,” and (v) the sliding-scale prejudice presumption (longer delay increases the State’s burden and lowers the defendant’s quantum of proof).
  • State v. Zimmerman, 2014 MT 173
    Role in Larson: Provided review standards (de novo for constitutional application; clear error for factual findings) and reinforced that the court is concerned with “delay” that postpones trial. The Court invoked Zimmerman to reject counting events that do not move the trial date and to frame the “anxiety and concern” inquiry as requiring more than generalized claims.
  • State v. Burnett, 2022 MT 10
    Role in Larson: Confirmed the 200-day trigger and reiterated the method of attributing delay. The Court used Burnett to support default attribution to the State absent defendant causation and to support clear-error review of underlying facts.
  • State v. Hesse, 2022 MT 212
    Role in Larson: Reinforced that as delay lengthens, the presumption of prejudice grows and the State’s burden to justify increases; also reiterated that institutional delay weighs less heavily absent negligence or bad faith. The Court used Hesse to calibrate weight and to evaluate generalized anxiety claims.
  • State v. Stops, 2013 MT 131
    Role in Larson: Supplied the “accused” start point (arrest/complaint/information) and the principle that delay is attributed to the State unless caused or expressly waived by the defendant for a specific period.
  • State v. Daly, 2023 MT 142
    Role in Larson: Reaffirmed default attribution to the State and provided the three prejudice interests (oppressive incarceration, anxiety/concern, and impaired defense). The Court used Daly to structure the prejudice analysis.
  • State v. Allery, 2023 MT 25
    Role in Larson: Applied Ariegwe’s “quantum of proof” concept—long delay increases the State’s obligation to show no prejudice and reduces the defendant’s required showing.
  • State v. Good, 2002 MT 59
    Role in Larson: Supported the holding that a defendant cannot be held responsible for a court’s scheduling policies/caseload management; such time is institutional delay attributable to the State.
  • State v. Kirn, 2023 MT 98
    Role in Larson: Used for the proposition that defendant-requested continuances are attributable to the defendant, and for the method of evaluating defendant-caused delay similarly to State-caused delay. It also informed Factor Three’s analysis of the defendant’s conduct and sincerity.
  • State v. Couture, 2010 MT 201
    Role in Larson: Cited in two important ways: (i) the admonition that setting a firm trial date at arraignment is “essential,” and (ii) the caution that “waiver” terminology can be inapt because Factor Two is a period-by-period causation inquiry—if the defendant caused a period, it is attributed to him regardless of a signed waiver.
  • State v. Garcia, 2003 MT 211
    Role in Larson: Supported the District Court’s authority to control its docket and prioritize cases; the resulting postponement still counts as institutional delay.
  • State v. Kurtz, 2019 MT 127
    Role in Larson: Larson relied on Kurtz for the proposition that plea negotiations do not abandon the speedy-trial right. The Court distinguished Kurtz on its facts: in Kurtz, after the defendant moved to vacate trial and set a change-of-plea hearing, the case lingered without scheduling action—placing responsibility on the State; in Larson, the court promptly set the change-of-plea hearing, and subsequent postponement flowed from Larson’s failure to finalize the plea.
  • Betterman v. Montana, 578 U.S. 437 (2016)
    Role in Larson: Used to clarify the endpoint of the Sixth Amendment speedy-trial guarantee: it applies through trial or guilty plea, but not after conviction/plea. This supported the Court’s correction that time after Larson’s July 7, 2023 plea could not be counted.
  • McNeely v. Blanas, 336 F.3d 822 (9th Cir.2003)
    Role in Larson: Cited via Ariegwe for the State’s obligation to bring defendants to trial through good-faith, diligent efforts, shaping how institutional delays are justified and weighed.
  • State v. Spang, 2007 MT 54
    Role in Larson: Reinforced that impairment of defense is the most important prejudice interest; the Court relied on this to note Larson made no impairment showing.

3.2 Legal Reasoning

Factor One: Length of delay

The Court measured from arrest (March 18, 2022) to disposition by no-contest plea (July 7, 2023), totaling 476 days—well beyond the 200-day trigger. Because the delay was more than double the trigger threshold, the Court treated this as increasing the State’s burden under Factor Two and increasing the presumption of prejudice under Factor Four.

Factor Two: Reasons for delay (the core of the dispute)

The Court emphasized a disciplined definition of “delay”: only acts that postpone the trial/disposition date count. It then grouped the timeline into three scheduling phases and attributed specific blocks:

  • March 18, 2022 to October 31, 2022 (first scheduled trial date): 14 days attributed to Larson (requested continuance to review a global plea proposal); 213 days as institutional delay attributed to the State, including a 14-day sua sponte rescheduling by the court.
  • October 31, 2022 to January 12, 2023: institutional delay attributed to the State (70 days) because trial had to be reset when another Larson case proceeded on October 31; only 3 days attributed to Larson (January 9 to January 12) because the motion to vacate for a change-of-plea hearing did not itself “delay” trial beyond the already-set date—except for the three-day slip.
  • January 12, 2023 to July 7, 2023: 109 days attributed to Larson (failed plea attempt and reset to the earliest available trial date); 67 days institutional delay attributed to the State (the court’s prioritization of “State v. Martinez” on May 1).

Critically, the Court held that institutional delays here weighed minimally against the State because large portions of the institutional time arose from circumstances tied to Larson’s own multi-case posture (overlapping trial settings, one of his other cases taking the earlier slot, and plea efforts that failed), rather than prosecutorial negligence or bad faith.

The Court also rejected the notion that Larson had “waived” speedy trial rights by causing prior delays: attribution must remain period-specific, and “waiver” rhetoric can mislead the Factor Two analysis.

Factor Three: Larson’s responses to delay

The Court found Larson’s conduct inconsistent with a sincere demand for a prompt trial. He acquiesced in multiple cases being set on the same trial date despite knowing only one could proceed, then vacated a priority trial setting for a plea that did not materialize, and sought additional time without consummating the agreement. Distinguishing State v. Kurtz, the Court stressed that in this case the court promptly scheduled plea hearings and the subsequent postponements were within Larson’s control. This factor weighed heavily against Larson.

Factor Four: Prejudice

Despite the strengthened presumption of prejudice due to the lengthy delay, the Court concluded the record showed no actual prejudice:

  • Oppressive pretrial incarceration: Larson’s incarceration attributable to this case lasted only until he became a DOC inmate in a separate matter on November 2, 2022. The Court found no unusual confinement conditions and viewed high bail as justified by public-safety risk.
  • Anxiety and concern: Larson asserted lost housing/employment and health effects, but offered no specific evidence that the delay (as opposed to the underlying charges and other custody) unduly prolonged disruption beyond what is inherent in serious criminal accusations.
  • Impaired defense: Larson made no showing that delay weakened defenses, testimony, or evidence. This point weighed strongly for the State because defense impairment is the most important prejudice interest.

Balancing

The length of delay favored Larson, but the reasons for delay, Larson’s conduct, and the lack of prejudice favored the State. The Court therefore held there was no speedy-trial violation and affirmed.

3.3 Impact

1) Sharpened “delay” accounting in plea-related continuances. The Opinion underscores that motions and negotiations are not automatically “delay”; the question is whether they push the case past an existing trial/disposition date. This matters in practice because plea discussions often occur on the eve of trial; Larson encourages precise, date-driven attribution rather than categorical assumptions.

2) Period-specific attribution and resistance to implied “waiver.” By cautioning against treating prior defendant-caused delays as a general waiver, the Court reinforces Couture’s view that Factor Two remains granular: each period must be justified and attributed by causation.

3) Docket control and “institutional delay” remain attributable to the State—but may carry minimal weight. Even when a postponement arises from docket prioritization (including other defendants’ speedy-trial posture), the time is still institutional and attributed to the State. Yet Larson illustrates how weight can be reduced when the record shows diligence and the delay is intertwined with the defendant’s own multi-case scheduling realities.

4) Reinforced endpoint of the speedy-trial clock. By correcting the district court’s inclusion of post-plea days, Larson operationalizes Betterman v. Montana: once there is a plea or conviction, Sixth Amendment speedy-trial protections no longer apply to later dates (e.g., a scheduled trial date that becomes irrelevant).

4. Complex Concepts Simplified

  • The “200-day trigger”: In Montana, if more than 200 days pass between becoming “accused” (often arrest) and disposition (trial or plea), the court must apply the full speedy-trial balancing test.
  • “Institutional delay”: Delay caused by the system (court congestion, scheduling constraints, docket management), not by prosecutorial bad faith. It is attributed to the State, but usually weighs less heavily than negligent or deliberate delay.
  • Attribution vs. waiver: “Attribution” asks who caused a specific period of postponement. “Waiver” suggests giving up the right entirely. Larson emphasizes Montana’s preference for attribution period-by-period rather than broad waiver concepts.
  • “Delay” as a technical term: Not every procedural step is “delay.” If something happens (a motion, negotiation, hearing) but the trial date does not move later because of it, it is not counted as delay for Factor Two purposes.
  • Presumption of prejudice (sliding scale): The longer the delay beyond 200 days, the more courts presume prejudice and the more persuasive the State’s showing must be that the defendant was not harmed—though defendants still benefit most when they can show concrete impairment to the defense.
  • No-contest plea with reserved appeal: Larson pleaded no contest but preserved the right to appeal the speedy-trial ruling—allowing appellate review without a trial on the merits.

5. Conclusion

State v. Larson reaffirms Montana’s Ariegwe balancing approach while adding practical clarity on how to count and attribute time in real-world, multi-case dockets and plea-heavy calendars. The decision’s most significant contribution is its insistence that “delay” means an actual postponement of the scheduled trial/disposition date—so plea-related motions count only to the extent they push that date outward—and its reinforcement that speedy-trial protection ends at the plea. For future litigants, Larson signals that prevailing on a speedy-trial claim will typically require not just a long timeline, but a record showing State culpability and concrete prejudice, especially impairment of the defense.