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butterbean · Joined: 21 Jun 2006 Posts: 2269

Law enforcement officers from communities unaffected by gangs until the 1980s or early 1990s often find themselves scrambling to obtain training relevant to what are called hybrid youth gangs in the 21st century. These include gangs with large memberships of illegal aliens from Mexico (Mexican Mafia), El Salvador (MS-13), the Dominican Republic, and others.

When gang-related training first became widely available in the early 1990s, it often emphasized historical information, such as the formation of the Los Angeles Crips and Bloods in the late 1960s or the legacy of Chicago-based gangs (the Black Gangster Disciples, Latin Kings, and Vice Lords).

As law enforcement officers learned about the origins of these influential gangs, they sometimes attempted to apply this outdated information in their efforts to deal with illegal immigrant gangs in their jurisdictions.

continued:
http://www.theconservativevoice.com/article/21931.html