Retired SFPD Deputy Chief Ann Mannix and Daughter Killed by Husband in Mill Valley

Key points

• Retired SFPD Deputy Chief Ann Mannix (64) and her daughter Katherine Elizabeth Mannix (24) were fatally shot by their husband, retired SFPD Sergeant Kevin Mannix (68), around 5 p.m. Sunday.
• Kevin Mannix subsequently took his own life; the Marin County Sheriff’s Office confirmed the incident as a suspected double-murder suicide.
• A 911 caller who safely exited the residence reported the shooting; deputies found the three bodies at the home in unincorporated Mill Valley.
• Ann Mannix served the SFPD from 1986 to 2021, rising to deputy chief and becoming the first woman to join and lead the SWAT team.
• Kevin Mannix served the SFPD for 27 years before retiring in 2018; autopsies for all three victims were scheduled for Tuesday.
• The San Francisco Police Officers Association stated the department is 'reeling' from the loss, with no motive disclosed by investigators.

Background

Ann Mannix joined the San Francisco Police Department in 1986, shortly after the department began hiring women as patrol officers. She advanced through the ranks, becoming a lieutenant in 2003, a commander in 2015, and a deputy chief in 2018. She led field and special operations bureaus before retiring in 2021. Her husband, Kevin Mannix, served the department for 27 years, retiring in 2018 as a sergeant. The family’s deaths have prompted widespread mourning within the SFPD community, with officials emphasizing the profound impact of losing a trailblazing officer.

Why it matters

The deaths of Ann Mannix, a pioneering figure in the San Francisco Police Department, and her family highlight the personal toll of domestic violence on public servants. The incident underscores the ongoing challenges faced by law enforcement families and the emotional impact on the department, which has not experienced such a high-profile loss in recent years. The lack of a disclosed motive adds to the mystery and grief surrounding the case.

What to watch

Investigators will continue to examine the scene and review evidence to determine the circumstances of the shooting. Autopsies for all three victims were scheduled for Tuesday to confirm causes of death. The San Francisco Police Department and local community are expected to hold memorial services or tributes to honor Ann Mannix’s legacy and service. No motive has been released, and further updates may follow as the investigation progresses.