2 retired SFPD officers, daughter dead in suspected murder-suicide in Marin: news

2 Retired SFPD Officers and Daughter Found Dead in Suspected Marin County Murder-Suicide

Two retired San Francisco Police Department officers and their adult daughter were found dead in an apparent murder-suicide at a home in Marin County, California.

Incident Details and Law Enforcement Response

The shooting occurred on the afternoon of Sunday, October 11, 2026, at a residence on Strawberry Circle in Strawberry, an unincorporated neighborhood near Mill Valley. The Marin County Sheriff’s Office responded shortly after 5:00 p.m. following a 911 report of gunfire inside the home.

Upon arrival, deputies contacted an individual who had fled outside to safety. After securing a perimeter and entering the residence, officers discovered three deceased individuals with fatal gunshot wounds. Authorities confirmed that there is no ongoing threat to the community.

Identification of the Victims and Suspect

Although the Marin County Coroner’s Division has yet to release formal autopsy findings, department sources, union officials, and media reports identified the deceased as:

• Kevin Mannix (68): A retired SFPD sergeant who left the force in 2018 after serving at Taraval Station. Investigators believe Mannix fatally shot his estranged wife and daughter before turning the weapon on himself.

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• Ann Mannix (65): A retired SFPD deputy chief who stepped down in 2021. She was recognized as a historic trailblazer within the department, serving as the first woman to lead the Tactical (SWAT) unit and eventually commanding both the Special Operations and Field Operations Bureaus.

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• Katie Mannix (24): The couple’s youngest daughter.

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Official Reactions

San Francisco Police Chief Derrick Lew informed personnel via a department-wide announcement, offering condolences to the officers’ families, friends, and former colleagues. The San Francisco Police Officers Association (SFPOA) acknowledged the tragedy, mourning the loss of Ann and Kevin Mannix and expressing grief over the circumstances.

Detectives with the Marin County Sheriff’s Office continue to process evidence and execute search warrants at the Strawberry Circle property as the homicide-suicide investigation moves forward.