Devin Williams, Jr.
Service Record
Stockton California Police Department
| Rank | Trainee |
| Dates of Service | January 2020 - 2021.[1] |
| Last Known Status | Terminated[1] |
Alameda County California Sheriff's Office
| Rank | Deputy |
| Dates of Service | Hired September 7, 2021.[2] |
| Last Known Status | Active |
Incident Reports
2016-2022 Alameda County California Sheriff's Office Psychological Evaluations
2022 Shooting Deaths of Benison and Maria Tran
On August 8, 2022, Williams repeatedly rang the Trans' doorbell and demanded to talk. Police were called, and the responding officer allegedly gave Williams "preferential treatment".[3]
On September 7, 2022, police were called on a report of an intruder with a gun. Responding officers found the Trans had been shot and killed. Witnesses identified the shooter as Williams, who had left the scene.[1][4]
Williams, who was off-duty, discarded the weapon, which was his duty firearm.[2][1]
Response Timeline
On September 7, 2022, Williams turned himself in.[1][5][6]
Williams was arrested for suspicion of double homicide and potential special circumstances that could make him eligible for the death penalty.[2]
On December 12, 2022, Williams pleaded not guilty.[7]
On July 25, 2023, the state Commission on Peace Officer Standards and Training (POST) temporarily suspended Williams' certification during the criminal investigation and for "egregious or repeated acts that violate the law".[8]
In 2023, family members filed a lawsuit against the county, the Sheriff's Office, and the Sheriff.[3]
On October 3, 2024, a jury found Williams guilty of first-degree murder. Williams faces up to 50 years in prison.[9][10]
On November 10, 2024, a judge sentenced to 50 years to life in state prison.[11]
On May 15, 2025, the state Commission on Peace Officer Standards and Training (POST) found Williams to be ineligible for certification following his conviction.[12]
Public Comments
LEO Ratings
References
- ↑ 1.0 1.1 1.2 1.3 1.4 Charmaine Patterson, Calif. Deputy Turns Himself in for the Slaying of Couple in Their Bed: 'Very Bizarre Chain of Events', People, 2022-09-07
- ↑ 2.0 2.1 2.2 Jeremy Walsh, deputy accused of killing couple in Dublin, Pleasanton Weekly, 2022-09-07
- ↑ 3.0 3.1 Wrongful death lawsuit filed by family of couple allegedly killed by sheriff’s deputy, KRON, 2023-10-18
- ↑ Couple allegedly slain by deputy, ex-Stockton cop ID’d as retired civil engineer, nurse, Recordnet.com, 2022-09-08
- ↑ Officials announce arrest of Alameda County Sheriff's deputy in Dublin double homicide, KPIX CBS SF Bay Area, 2022-09-07
- ↑ Case Update, City of Dublin, 2022-09-07
- ↑ Ex-Dublin sheriff’s deputy pleads not guilty to charges in double slaying, KRON, 2022-12-12
- ↑ Peace Officer Certification Actions, California POST, 2023-07-25
- ↑ Phil Mayer, Ex-Alameda County deputy convicted of Dublin double murder in love triangle, KRON, 2024-10-03
- ↑ Jury Renders Guilty Verdict in Double Murder Trial of Devin Williams, Alameda County District Attorney, 2023-10-03
- ↑ Jeanita Lyman, ‘The worst 911 call I’ve ever heard’: Ex-sheriff’s deputy sentenced to 50 years to life for Dublin double murder, Pleasanton Weekly, 2024-11-12
- ↑ Peace Officer Certification Actions, California POST, 2025-05-15
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