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112 Cal.App.5th 404
Cal. Ct. App.
2025
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Background

  • Kristopher Birtcher experienced a mental health crisis at a Hobby Lobby in California and law enforcement was called; he was unarmed, under the influence of drugs, and committed no crime other than drug use.
  • Upon arrival, sheriff’s deputies detained Birtcher, who tried to flee but was subdued, handcuffed behind his back, ankles restrained, and subjected to bodyweight pressure while in a prone position on pavement.
  • Despite expressing distress and saying he could not breathe, deputies kept Birtcher prone and applied force, after which Birtcher ceased moving, was unresponsive, and died from asphyxiation and sudden cardiac arrest.
  • Birtcher’s daughter, A.B., brought federal and state claims (including wrongful death, battery, negligence, Bane Act, and negligent training) against the County of San Diego, the Sheriff, and deputies. Federal claims were dismissed on qualified immunity grounds; state claims proceeded in state court.
  • The trial court granted summary judgment to the defendants, finding no triable fact on excessive force in the prone restraint and insufficient basis for negligent training liability against the Sheriff; A.B. appealed.

Issues

Issue Plaintiff's Argument Defendant's Argument Held
Prone restraint as excessive force Prone restraint with bodyweight after Birtcher was cuffed and hobbled was unnecessary, dangerous, and not justified. Detention and restraint were “by the book” and necessary, not unreasonable or excessive. There are triable fact issues; summary judgment reversed.
Negligent training claim against Sheriff Sheriff may be directly liable for his own negligent acts under Gov. Code § 820; Sheriff approved policies. Sheriff not personally involved in training; POST sets standards, not the Sheriff. Triable issues exist; summary judgment for Sheriff reversed
Preclusion by federal qualified immunity Federal outcome did not preclude state claims based on use of prone restraint. Federal dismissal/qualified immunity applies to bar state claim (claim preclusion). No preclusion; state law claims on fourth theory may proceed
Consistency with training and policy Deputies did not comply with policy requiring minimal time in prone position and immediate recovery positioning. Force and restraint complied with department protocols and were necessary for safety. Plaintiff produced evidence of potential policy violations, creating triable issues.

Key Cases Cited

  • Graham v. Connor, 490 U.S. 386 (1989) (establishes the "objective reasonableness" standard for use of force by police under Fourth Amendment)
  • Hayes v. County of San Diego, 57 Cal.4th 622 (Cal. 2013) (reasonableness under California negligence law considers totality of circumstances)
  • Brown v. Ransweiler, 171 Cal.App.4th 516 (Cal. Ct. App. 2009) (elements and adjudication of civil battery and reasonableness of police force in summary judgment)
  • Champion v. Outlook Nashville, Inc., 380 F.3d 893 (6th Cir. 2004) (substantial pressure on the back of a prone, handcuffed person can constitute excessive force)
  • Mendoza v. City of West Covina, 206 Cal.App.4th 702 (Cal. Ct. App. 2012) (police use of force on a vulnerable, restrained individual found excessive)
Read the full case

Case Details

Case Name: A.B. v. County of San Diego
Court Name: California Court of Appeal
Date Published: Jun 26, 2025
Citations: 112 Cal.App.5th 404; D084376
Docket Number: D084376
Court Abbreviation: Cal. Ct. App.
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    A.B. v. County of San Diego, 112 Cal.App.5th 404