Richard Valdemar

TV Show About Gangs, California Police Warnings. Retired L.A.S.D. Gang Expert talks about the alarming growth of violent criminal gangs across America. Retired Los Angeles County Sheriff's Department (LASD) Sgt. Richard Valdemar, a renowned expert on gang violence. Tells shocking truths and crucial warnings about the rise of violent gangs across Southern California and the rest of the USA. Richard Valdemar, who retired in 2004 after a 33-year career with the LASD, brings his extensive experienc...

Criminal Gangs, Is It About To Get Much Worse? Retired L.A.S.D. Gang Expert talks about the alarming growth of violent criminal gangs across America.