1 Cal. App. 5th 654
Cal. Ct. App.2016Background
- Defendant Adam Disa admitted in a police interview that he killed his girlfriend, Katie Gillihan, by applying a carotid (choke) hold; he claimed he did not intend to kill her and thought he only knocked her out.
- Gillihan was found dead in bed with postmortem changes indicating she had been dead for many hours; autopsy concluded asphyxia due to manual strangulation with a carotid sleeper hold.
- Defendant described holding the choke for about a minute while she struggled and keeping her in the hold approximately 15 seconds after she went limp; he then covered her, smoked, slept, went to work, and later left town.
- Phone records showed Gillihan’s last outgoing text at 5:16 a.m.; defendant had motive evidence of jealousy over her contact with a friend (Procaccio).
- The prosecution admitted evidence under Evidence Code §1109 of a 2004 domestic violence incident in which defendant hid in a closet, waited hours, brought a knife, and attacked his ex and her partner—facts elicited in vivid detail at trial.
- Jury convicted defendant of first degree (premeditated) murder and corporal injury; court found prior strikes; sentenced to 50 years to life for murder; appellate court reversed the first degree murder conviction due to prejudicial admission of the prior-acts evidence but affirmed the remainder.
Issues
| Issue | Plaintiff's Argument | Defendant's Argument | Held |
|---|---|---|---|
| Sufficiency of evidence of premeditation/deliberation for first-degree murder | Evidence of planning (continued pressure after limp), motive (jealousy/anger), and manner (lethal carotid hold) supports premeditation | Killing was impulsive/heat-of-passion provoked by victim’s insults and threats; limited knowledge of hold undermines deliberation | Evidence—while not strong—was sufficient for a rational jury to find premeditation and deliberation; conviction supported on sufficiency review |
| Admissibility of prior domestic-violence act under Evid. Code §1109 | Prior act was admissible to rebut defense of accident/self-defense and to show propensity for domestic violence | Prior act was too remote/dissimilar and highly prejudicial under §352; specifics (lying in wait, weapon) would unfairly inflame jury | Some prior-act evidence admissible, but admission of detailed facts about lying in wait and long planning abused discretion under §352 because inflammatory and not necessary for propensity purpose |
| Prejudice from admission of prior-act details | Prior act corroborated intent and rebutted accident claim | Detailed, vivid prior-act evidence likely prompted jury to infer planning and premeditation in current case; limited-use instruction insufficient | The court concluded a reasonable probability exists that the improperly admitted inflammatory details affected the verdict on first-degree murder; prejudice warrants reversal of that conviction |
| Prosecutor’s closing argument on provocation law (preservation) | (Not addressed due to reversal) | Defendant contends prosecutor misstated law on verbal provocation and the standard for provocation | Not reached on merits because of reversal; appellate court offered guidance on correct statements about verbal provocation and objective test for heat-of-passion reduction |
Key Cases Cited
- People v. Casares, 62 Cal.4th 808 (discussing sufficiency review and weighing competing inferences)
- People v. Koontz, 27 Cal.4th 1041 (explaining Anderson factors for premeditation)
- People v. Anderson, 70 Cal.2d 15 (formative Anderson factors for planning, motive, and manner)
- People v. Stitely, 35 Cal.4th 514 (noting when all three Anderson factors appear verdicts generally sustained)
- People v. Sanchez, 12 Cal.4th 1 (brief planning suffices for premeditation)
- People v. Brady, 50 Cal.4th 547 (premeditation can occur in a brief period)
- People v. Perez, 2 Cal.4th 1117 (post-offense calm can indicate deliberation)
- People v. Falsetta, 21 Cal.4th 903 (section 352 balancing and limits on inflammatory details for prior offenses)
- People v. Eubanks, 53 Cal.4th 110 (interpretation of prejudice under §352)
- People v. Cordova, 62 Cal.4th 104 (prior-offense commonality and limits on use of uncharged offenses)