# Former SFPD Sergeant Kills Wife and Daughter in Double Murder-Suicide

> Former San Francisco Police Sergeant Kevin Mannix killed his wife and 25-year-old daughter in a double murder-suicide, sources say.
- Title: Former SFPD Sergeant Kills Wife and Daughter in Double…
- Summary: Former San Francisco Police Sergeant Kevin Mannix killed his wife and 25-year-old daughter in a double murder-suicide, sources say.
- Keywords: kevin mannix, ann mannix, 25-year-old daughter, sfpd, marin county, murder suicide, double murder, news, local, Former, Sergeant, Kills
- Source: ABC7 New York — https://abc7ny.com/story/former-san-francisco-police-department-sergeant-kills-wife-daughter-double-murder-suicide-sources-say/19932354
- Published: 2026-10-12T15:58:08+00:00
- Read time: 1 min
- Topics: kevin mannix, ann mannix, 25-year-old daughter, sfpd, marin county, murder suicide, double murder, news, local
## Double Murder-Suicide
Former San Francisco Police Sergeant Kevin Mannix killed his wife and 25-year-old daughter in a double murder-suicide, sources say.
## Three Dead in Marin County Home
Authorities found three dead bodies at a home in unincorporated Marin County on Sunday, October 12, 2026.
## SFPD Officers Involved
Kevin Mannix, a former SFPD sergeant, and his wife Ann Mannix, a former SFPD deputy chief, were among the victims.
## Active Investigation
Marin County Sheriff's Office confirmed the shooting was an active investigation with no public threat.
## Key takeaway

Former San Francisco Police Sergeant Kevin Mannix shot and killed his wife, 25-year-old daughter, and himself in a Marin County home.