MARTINEZ, Calif. (KGO) -- The Contra Costa County Sheriff's Office says it is investigating an in-custody death that occurred Friday afternoon. A sheriff's office spokesman said on Twitter at 8:13 p.m ...

A heated debate unfolded in Contra Costa County Tuesday as immigration advocates demanded the sheriff stop cooperating with U.S. Immigration and Customs Enforcement. Dozens of people gathered in the ...

MARTINEZ — A growing effort from residents to force the Contra Costa County Sheriff’s office to end its collaborations with the Immigration and Customs Enforcement agency made its presence felt on ...

Every year, Contra Costa County holds a forum at which — in the interest of transparency — the sheriff discloses exactly how many times his office collaborated with Immigration and Customs Enforcement ...

Activists and victims' family members held a rally Friday afternoon outside the Contra Costa County Sheriff's Office in Martinez, protesting the early release of former deputy Andrew Hall who was ...

A correction to an earlier version of this article has been appended to the end of the article. SAN QUENTIN — The first officer convicted of a crime from an on-duty shooting in Contra Costa County is ...

(KRON) — A “prolific elementary school burglar” who targeted teachers on school campuses in Marin, Alameda, and Contra Costa counties was found and arrested this week, law enforcement officials said.

BAY POINT, Calif. -- The Contra Costa County Sheriff's Office identified Martin Bretado-Munoz, 21, as the suspect involved in a crash outside a Bay Point restaurant that killed one person and left ...

The Contra Costa County Sheriff's Office said one person is in custody in connection with a homicide in Bay Point on Thursday. Deputies responded about 11:25 a.m. to a medical-police call in Bay Point ...