A Baldwin Park, California, Police officer and a civilian were killed Saturday (May 31, 2025), in what Baldwin Park’s Mayor Alejandra Avila called a “night of tragedy.”
Southern California Officer Killed Responding to Call
Officer Samuel Riveros and Officer Anthony Pimentel responded to a call for help and came under fire. Riveros was killed and Pimentel was wounded.

Officer Samuel Riveros of the Baldwin Park Police Department was killed when he came under fire while responding to a call.
Baldwin Park PD/Facebook
Officer Samuel Riveros and Officer Anthony Pimentel responded to a call for help and came under fire. Riveros was killed and Pimentel was wounded.
The wounded officer was treated at a local hospital and has been released.
“Multiple public safety agencies, including SWAT personnel, responded to the scene. The suspect was also wounded and has been taken into custody,” Baldwin Park Police Chief Robert Lopez said in a Facebook statement.
Officer Riveros joined the Baldwin Park PD in 2016. He was selected for the SWAT Team in 2019 and was appointed as a Field Training Officer in 2024.
Investigation of the incident is being led by the Los Angeles County Sheriff’s Department.
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