Three Found Dead at Home Near Mill Valley

Three people were found dead after deputies responded to reports of gunfire at a home in Strawberry, near Mill Valley, on Sunday evening, the Marin County Sheriff’s Office said. Sources familiar with the investigation said the deaths involved retired San Francisco police sergeant Kevin Mannix, his estranged wife, Ann Mannix, and their daughter. Authorities have not publicly released findings establishing how the three died. Deputies went to the home shortly after 5 p.m. on October 11, following a report of gunfire. Sheriff’s office spokesperson Miguel Almaguer said deputies found three deceased people inside. The office said there was no known ongoing threat to the public and described the case as an active investigation. Sources familiar with the investigation told news organizations that Kevin Mannix shot and killed Ann and their daughter before dying by suicide. That account has not been confirmed in publicly released investigative findings. The sheriff’s office had not publicly identified the victims or provided details about the circumstances in the accounts supplied.