Sgt. Richard Valdemar retired from the Los Angeles County Sheriff’s Department after spending most of his 33 years on the job combating gangs. For the last 20 years, he was assigned to Major Crimes Bureau. He was also cross-designated as an FBI agent for 10 years of his career when he served on the Federal Metropolitan Gang Task Force. From 1995 until his retirement in 2004, Valdemar was a member of the California Prison Gang Task Force, helping prosecute members of the Mexican Mafia.
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