Chicago gangs rely on social media to communicate
Training book: Gang members communicate on the Web about shooting at police officers
CHICAGO — The more than 68,000 members of Chicago-area gangs often rely on the Internet to coordinate crimes and provoke rival gang members, a law enforcement book says.
The Chicago Crime Commission Gang Book says gang members use computers and smartphones for "cybertagging" — graffiti on Web sites — and sometimes boast of their crimes online, the Chicago Sun-Times reported Friday.
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