206 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.
Case Description
Any updates on this case? Let us know!
Shaun Richard Diamond, a 45-year-old police officer with the Pomona Police Department, tragically lost his life on October 29, 2014, after being shot the previous day while serving a search warrant in San Gabriel, California. Officer Diamond was part of a multi-agency operation targeting the Mongols Motorcycle Club. As the breach officer, he was responsible for making entry into the home located in the 100 block of North San Marino Avenue. During the operation, as the team breached the storm doo ...Read More
Victim Details

Shaun Richard Diamond

Male

White / Caucasian

San-gabriel

CA

2014-10-28

45

Shaun

Richard Diamond

11/16/2025