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Richard Valdemar

Richard Valdemar

Sgt. Richard Valdemar retired from the Los Angeles County Sheriff’s Department after spending most of his 33 years on the job combating gangs.
Gangs

Blog - Gangs - July 2007

Displaying 1  -  3  of  3

History of the Mexican Mafia Prison Gang  

July 25, 2007
It is rare for law enforcement to have an opportunity to hear from the mind of one who lived it. Today, Mundo (with a new identity) continues to assist law enforcement to understand how criminal organizations operate.

Skinhead and Other White Supremacist Gangs  

July 13, 2007
When I make any gang presentation I usually set the fundamentals down first. After giving the definition of a criminal gang, the question most asked is, How do gangs begin? White supremacist gangs began with young people who perceived themselves as outsiders suffering from injustice, just like every gang.

Mexican Drug Cartel Cowboys and DTOs  

July 5, 2007
For more than a decade, Los Angeles street gangs have been killing about 550 to 600 people in L.A. County each year. What you probably don't know is that Mexican nationals, primarily illegal aliens, murder about an equal amount yearly. Many of these murders involve rivalries and vendettas that originated in states, cities, and ranchos in Mexico. They usually often involve Drug Trafficking Organizations (DTO).
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