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...

One afternoon about five years ago, I was summoned from my desk at the detective division of a major Southern California urban sheriff's department and...

Members of criminal gangs are commonly motivated by greed and vengeance. However, the most dangerous individuals that I have encountered are motivated by...

Like the dangerous Presa Carnario dogs that are loved by the Aryan Brotherhood, and which have for centuries been bred as fighting dogs, some men don't do...

One at a time each of the three targets got out of the vehicle, walked in a big circle around the McDonald’s, went inside, only to return to the vehicle...

The 211 Crew is a white-supremacist prison gang. The loosely structured group had its early formation in the Denver County Jail, and its members included a...