Retired Los AngelesSheriff's Detective Sergeant Richard Valdemar discusses Mexican Mafia Prison Gang member Ernest Chuco Castro

In this episode, Sergeant Valdemar discusses how the Mexican Mafia (EME) prison gang operates its business in and out of prison. Valdemar talks about the Castro brothers, both members of the EME. One of them, Ernest, defected from the gang and became a police informant, testifying against the EME. The EME killed the other after being a loyal soldier to them. Sergeant Valdemar talks about the deadly ambush involving the LA Sheriff's Gang Unit and the VNE gang. Reminder: The episode starts with an introductory video and music. If you want to see it, visit our YouTube channel on The Gray Line, The Story Behind The Blue Line.