Retired California police sergeant allegedly kills ex-deputy chief wife, daughter before taking his own life

A retired San Francisco police sergeant allegedly shot dead his estranged wife, a former deputy chief in the same department, and their daughter before dying by suicide at their home in California's Marin County, according to media reports.Kevin Mannix, 68, is suspected of killing his wife, Ann Mannix, 65, and their daughter, Katherine, 24, on Sunday evening in the community of Strawberry, near Mill Valley. Authorities are investigating the deaths as a suspected murder-suicide.The Marin County Sheriff's Office said deputies responded to a report of gunfire at a residence shortly after 5 pm on Sunday. They arrived within minutes and secured the area before entering the home, where they found three people dead.A person who had called 911 had left the residence and was escorted to safety by deputies, according to the sheriff's office. Authorities said there was no ongoing threat to the public.The sheriff's office has not publicly detailed the circumstances that led to the shooting. The investigation is ongoing.Who were Kevin and Ann Mannix?Both Kevin and Ann Mannix had long careers with the San Francisco Police Department (SFPD).Kevin Mannix retired in 2018 after 27 years with the department. His wife, Ann, retired in 2021 after rising to the rank of deputy chief.Ann Mannix was a trailblazer in the department, becoming the first woman to join and lead its SWAT team. She later held senior leadership roles overseeing the Field Operations and Special Operations bureaus.The San Francisco Police Officers Association expressed grief over the deaths, describing Ann Mannix as a pioneering officer whose leadership had made a lasting contribution to the department.San Francisco Police Chief Derrick Lew also informed department employees of the deaths, as the incident sent shockwaves through the law enforcement community.Authorities have not disclosed a motive for the shooting. Further details are expected as investigators continue examining the circumstances surrounding the deaths.You use AI every day. Now get your AI Quotient. Take the AIQ test.