Ret. Los Angeles Sheriff’s Detective Sergeant Richard Valdemar will share his career expertise in investigating violent crimes against children, the Mexican Mafia prison gang, debriefs, prison gang murders, street gangs, RICOs, wiretaps, and other major

We want to remind you that our episodes are available on our YouTube Channel, The Gray Line The Story Behind The Blue Line. Each episode begins with an introductory video featuring our guests. In this episode, retired Los Angeles Sheriff's Detective Sergeant Richard Valdemar will share his career expertise in investigating violent crimes against children, the Mexican Mafia prison gang, debriefs, prison gang murders, street gangs, RICOs, wiretaps, and other major crime investigations. In this episode, Sergeant Valdemar discusses the McMartin Preschool molestation case, street gang and prison gang investigations, gang crime in Los Angeles County, RICO investigations, and his experience with Exorcisms. Sergeant Valdemar is a court-recognized expert in the occult. This episode aired on April 1, 2025.