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2025 CO 41
Colo.
2025
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Background

  • Gallegos and three others went to purchase vaping products; at the scene a struggle occurred and a co-defendant (Mitchell) fatally shot the seller, L.C.
  • Gallegos admitted driving the group but denied planning a robbery, knowing about a gun, or committing the killing.
  • Prosecutors charged Gallegos with felony murder (predicated on aggravated robbery, attempted robbery, and conspiracy) and related offenses; he was convicted at trial.
  • Gallegos requested a jury instruction for the statutory affirmative defense to felony murder (§ 18-3-102(2) (2018)); the trial court denied it as inconsistent with his total denial defense.
  • A division of the Colorado Court of Appeals reversed the felony-murder conviction, holding a defendant may both deny the predicate felony and assert the felony-murder affirmative defense; the People sought certiorari.
  • The Colorado Supreme Court granted review and affirmed the court of appeals: a defendant need not admit the predicate felony to raise the statutory affirmative defense to felony murder.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Whether a defendant must admit the predicate felony to invoke the statutory affirmative defense to felony murder The statute presupposes commission of a qualifying felony; permitting denial plus the defense is incompatible with the language and with the general nature of affirmative defenses The statutory conditions (participation, denials, disengagement) do not require admission of commission; a defendant may present inconsistent or alternative theories and needs only "some credible evidence" for the defense The court held defendants need not admit the predicate felony to raise the felony-murder affirmative defense; affirming the court of appeals
Whether the trial-court instruction error (if any) was harmless (argument raised in reply brief) People argued any error was harmless Gallegos contended the instruction should have been given The Court declined to consider the harmless-error argument raised for the first time in the reply brief

Key Cases Cited

  • People v. Gallegos, 535 P.3d 108 (Colo. App. 2023) (COA held a defendant may deny predicate felony and still request the felony-murder affirmative-defense instruction)
  • Galvan v. People, 476 P.3d 746 (Colo. 2020) (affirmative defense requires only "some credible evidence"; i.e., a scintilla)
  • People v. Huckleberry, 768 P.2d 1235 (Colo. 1989) (describes difference between traverses and affirmative defenses and the admission concept applicable to some defenses)
  • Pearson v. People, 502 P.3d 1003 (Colo. 2022) (discusses affirmative defenses generally and their distinction from traverses)
  • People v. Speer, 255 P.3d 1115 (Colo. 2011) (statutory interpretation of affirmative defenses reviewed de novo)
  • People v. Hendrickson, 45 P.3d 786 (Colo. App. 2001) (entrapment defense analysis requiring commission language in the statute)
  • Mathews v. United States, 485 U.S. 58 (U.S. 1988) (courts should not impose a consistency requirement that bars inconsistent affirmative defenses)
  • Stevenson v. United States, 162 U.S. 313 (U.S. 1896) (longstanding practice permitting alternative or inconsistent defenses presented to the jury)
Read the full case

Case Details

Case Name: The People of the State of Colorado v. Kenneth Alfonso Gallegos
Court Name: Supreme Court of Colorado
Date Published: Jun 23, 2025
Citations: 2025 CO 41; 572 P.3d 136; 2025 CO 41M; 23SC605
Docket Number: 23SC605
Court Abbreviation: Colo.
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