On April 2, 2026, the Colorado Court of Appeals overturned the murder conviction of Letecia Stauch, who was found guilty in 2023 of killing her 11-year-old stepson Gannon Stauch in El Paso County. The three-judge panel vacated her convictions and ordered a new trial, not because of new evidence, not because the verdict was factually wrong, but because one juror should never have been allowed to deliberate.
The case has drawn national attention since Gannon disappeared from his Colorado Springs home in January 2020. His body was found weeks later in Florida. Letecia Stauch was convicted of first-degree murder and related charges after a five-week trial and sentenced to life in prison without the possibility of parole.
None of that mattered to the Court of Appeals.
What Happened During Jury Selection
During voir dire, the questioning process used to select and evaluate prospective jurors, a prospective juror identified as Juror M.B. disclosed that his son-in-law worked as a deputy district attorney in the El Paso County District Attorney’s Office, the same office prosecuting the case under District Attorney Michael Allen. Defense counsel challenged Juror M.B. for cause, stating simply that his son-in-law worked for Michael Allen. The trial judge, El Paso County District Court Judge Gregory Werner, declined to remove the juror. Juror M.B. went on to deliberate and was part of the jury that convicted Letecia Stauch.
That decision became the foundation of the entire appeal.
The Statute the Trial Court Ignored
Colorado Revised Statutes § 16-10-103(1) sets out the grounds on which a court must sustain a challenge for cause to a prospective juror. The statute uses mandatory language: when any of the listed grounds are present, the court “shall” grant the challenge. There is no judicial discretion once the triggering circumstance is established.
Subsection (1)(b) of the statute covers jurors related within the third degree to certain participants in the case. In People v. Macrander, 828 P.2d 234 (Colo. 1992), the Colorado Supreme Court interpreted this provision to include not just the elected district attorney but any deputy district attorney in the prosecuting office at the time of jury selection. A son-in-law relationship is a third-degree relationship under Colorado law. Juror M.B. fell squarely within the category the statute was designed to exclude.
The Court of Appeals opinion, written by Judge Neeti Pawar in Case No. 23CA1067, focused on what the trial court said when it refused to remove Juror M.B.: that the juror’s connection to the DA’s office did not rise to ‘statutory cause.’ The appellate court found that reasoning legally incorrect. Under § 16-10-103(1)(b), a family relationship like M.B.’s to a deputy district attorney in the prosecuting office is not a matter of discretion, but rather mandatory grounds for removal. The trial court did not have the option to weigh the relationship and decide it was close enough to be fine; once the relationship was established, the juror had to go.
Why This Is Called Structural Error
The reason Letecia Stauch’s overwhelming conviction could not survive this issue comes down to a legal concept called structural error.
Most trial errors are evaluated for harmlessness. If a court makes a mistake during a trial, an appellate court typically asks whether the error affected the outcome. If the answer is probably not, the conviction stands. Many errors, including prosecutorial missteps, improper jury instructions, and evidentiary rulings, get analyzed this way.
Structural errors are different. They are errors so fundamental to the integrity of the proceeding itself that courts treat them as automatically requiring reversal, with no inquiry into whether the outcome would have been different. The rationale is that certain constitutional guarantees cannot be preserved through after-the-fact outcome analysis.
The right to an impartial jury is one of them. Under both the U.S. Constitution and Article II, Sections 16 and 25 of the Colorado Constitution, a criminal defendant has the right to a fair trial before an unbiased jury. In People v. Abu-Nantambu-El, 2019 CO 106, 454 P.3d 1044, the Colorado Supreme Court held that seating an impliedly biased juror after a proper for-cause challenge has been raised is structural error requiring automatic reversal. The Court was explicit: a juror who is presumed by law to be biased is legally indistinguishable from a juror who is actually biased, and an impliedly biased juror cannot be rehabilitated through further questioning or assurances of fairness.
Applied to the Stauch case, the analysis was straightforward. Juror M.B. was considered biased as a matter of law under § 16-10-103(1)(b). Defense counsel raised a proper challenge for cause. The trial court denied it. Juror M.B. deliberated. Under Abu-Nantambu-El, that sequence constitutes structural error requiring automatic reversal, regardless of the evidence, regardless of the verdict, regardless of the sentence.
The 4th Judicial District Attorney’s Office has indicated it may seek review by the Colorado Supreme Court and is prepared to retry the case if necessary.
The Dissent and the Peremptory Challenge Question
The ruling was not unanimous. Judge Steven Bernard wrote a partial dissent arguing that Stauch’s defense counsel waived the right to challenge on appeal by failing to use one of their available peremptory challenges to remove Juror M.B. after the for-cause challenge was denied. Under Colorado law, a peremptory challenge allows either side to remove a juror without stating a reason, up to the number of challenges allotted by statute.
The dissent’s position has logic behind it. Colorado courts have held in other contexts that when a defendant successfully uses a peremptory challenge to remove a juror the trial court should have struck for cause, and the biased juror never actually serves, any error is harmless. The argument is that the defendant had a simple tool available to fix the problem on the spot.
The majority rejected that reasoning in this case, however, concluding that defense counsel’s stated challenge was sufficient to preserve the issue for appeal, and that structural error does not evaporate simply because a peremptory challenge was theoretically available. Once an impliedly biased juror actually deliberates, the constitutional harm has occurred.
What This Means for Anyone Facing Criminal Charges in Colorado
The Stauch case is extreme in its facts and its public profile, but the legal principle at its center applies to every criminal trial in Colorado, from misdemeanors in county court to first-degree murder cases in district court.
Jury selection is not a formality. It is one of the most consequential stages of any trial, and it is one where mistakes made in the moment can unwind an entire case years later. Colorado’s for-cause challenge statute identifies specific relationships and circumstances that require mandatory removal of a prospective juror. When those circumstances are present, a competent defense attorney will raise the challenge clearly and on the record, regardless of how unlikely it seems that the relationship would actually affect the verdict.
The practical takeaways for anyone involved in a Colorado criminal case are worth understanding. First, jurors have an affirmative duty under § 16-10-103(2) to disclose anything that would disqualify them, whether or not they are directly asked. When a juror discloses a potentially disqualifying relationship, that disclosure needs to be evaluated seriously, not passed over. Second, if a trial court denies a valid for-cause challenge, that ruling needs to be preserved on the record. A challenge that is not properly raised and preserved cannot support an appeal. Third, the existence of structural error does not mean a conviction is automatically overturned on appeal without effort. It means the appellate court will not weigh the error against the evidence of guilt. But getting to that point requires having done the work at the trial level.
For the prosecution in this case, the retrial will mean presenting an emotionally devastating case to a new jury from the beginning. For Gannon Stauch’s family, it means reliving the worst events of their lives in a courtroom again. All of it traces back to a single procedural decision made during jury selection that the trial court got wrong.
Jury selection matters. In Colorado, the law says so explicitly.
At Boal Law Firm, PC, we represent clients facing criminal charges in El Paso County and throughout the Front Range. If you have questions about your rights in a criminal proceeding, call us at (719) 203-6339.