# SFPD sergeant kills wife and daughter before suicide

> Retired San Francisco police sergeant Kevin Mannix fatally shot his wife and 24-year-old daughter before taking his own life.
- Title: SFPD sergeant kills wife and daughter before suicide
- Summary: Retired San Francisco police sergeant Kevin Mannix fatally shot his wife and 24-year-old daughter before taking his own life. Retired SFPD sergeant Kevin…
- Keywords: kevin mannix, ann mannix, sfpd, marin county, murder-suicide, retired police, suicide, news, local, sergeant, kills, wife
- Source: Sfchronicle — https://sfchronicle.com/sf/article/murder-suicide-kevin-mannix-marin-22480395.php
- Read time: 1 min
- Topics: kevin mannix, ann mannix, sfpd, marin county, murder-suicide, retired police, suicide, news, local
## Kevin Mannix
Retired San Francisco police sergeant Kevin Mannix killed his wife and 24-year-old daughter before taking his own life.

> Kevin had a monster inside of him that he was able to suppress for all of his lifetime until Sunday, and that monster came out in the most horrific possible way.
## SFPD background checks
Kevin Mannix worked as a background investigator for SFPD until his death, completing a four-hour course in January.
## Ann Mannix's career
Ann Mannix was the first woman to lead SFPD's SWAT team and earned $5,700 in 2026.
## Marriage crisis
Kevin Mannix was working out, losing weight, and trying to change his appearance as the couple headed toward divorce.
## Previous assault
Kevin Mannix was severely assaulted in 1997, sustaining a broken nose, torn knee ligament, and fractured eye socket.
## SFPD transfer
Kevin Mannix was transferred to SFPD's property division in September 2023 at the request of the deputy chief of administration.
## Mental health concerns
SFPD leaders are seeking resources for officers and first responders exposed to trauma that can lead to mental health and addiction problems.
## Family last seen
Ann Mannix and Kevin Mannix last saw each other days before the killings at a Golden State Valkyries playoff game.
## Key takeaway

Retired SFPD sergeant Kevin Mannix killed his estranged wife and daughter before suicide in Marin County.