Chicago Crime Commission releases 1st gang guide since 2012

 
 
Updated 6/12/2018 2:55 PM
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  • Andrew Henning speaks at a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter. It lists over 2,400 gang factions.

    Andrew Henning speaks at a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter. It lists over 2,400 gang factions. Associated Press

  • Maywood Police Department Lt. Dennis Diaz holds a copy of "The Gang Book" at a press conference, Tuesday, June 12, 2018, in downtown Chicago. The department was one of several to provide information and expertise to the Chicago Crime Commission.

    Maywood Police Department Lt. Dennis Diaz holds a copy of "The Gang Book" at a press conference, Tuesday, June 12, 2018, in downtown Chicago. The department was one of several to provide information and expertise to the Chicago Crime Commission. Associated Press

  • Members of the Chicago City Commission, Illinois State Police Department, Illinois Attorney General Office, Cook County Sheriff Office and Maywood Police Department stand during a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter.

    Members of the Chicago City Commission, Illinois State Police Department, Illinois Attorney General Office, Cook County Sheriff Office and Maywood Police Department stand during a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter. Associated Press

  • Steven Block looks through "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book describes how gangs have fully embraced social media in recent years, altering gang culture and sometimes making gang conflicts deadlier.

    Steven Block looks through "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book describes how gangs have fully embraced social media in recent years, altering gang culture and sometimes making gang conflicts deadlier. Associated Press

  • Andrew Henning speaks at a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter. It lists over 2,400 gang factions.

    Andrew Henning speaks at a press conference for "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The book scrutinizes 59 active Chicago gangs and includes updated gang-turf maps that show gangs continue to splinter. It lists over 2,400 gang factions. Associated Press

  • Guadalupe Garcia speaks with Telemundo at a press conference, Tuesday, June 12, 2018, in downtown Chicago. Garcia is treasurer of the Chicago Crime Commission, who unveiled its first street-gang book in six years on how some 59 active gangs operate in the nation's third largest city.

    Guadalupe Garcia speaks with Telemundo at a press conference, Tuesday, June 12, 2018, in downtown Chicago. Garcia is treasurer of the Chicago Crime Commission, who unveiled its first street-gang book in six years on how some 59 active gangs operate in the nation's third largest city. Associated Press

  • Shannon O'Brien answers questions at a press conference about "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The Chicago Crime Commission unveiled the book.

    Shannon O'Brien answers questions at a press conference about "The Gang Book," Tuesday, June 12, 2018, in downtown Chicago. The Chicago Crime Commission unveiled the book. Associated Press

  • Guadalupe Garcia speaks with Telemundo at a press conference, Tuesday, June 12, 2018, in downtown Chicago. Garcia is treasurer of the Chicago Crime Commission, who unveiled its first street-gang book in six years on how some 59 active gangs operate in the nation's third largest city.

    Guadalupe Garcia speaks with Telemundo at a press conference, Tuesday, June 12, 2018, in downtown Chicago. Garcia is treasurer of the Chicago Crime Commission, who unveiled its first street-gang book in six years on how some 59 active gangs operate in the nation's third largest city. Associated Press

CHICAGO -- The Chicago Crime Commission has officially unveiled its first new street-gang guide in six years, detailing changes in where and how 59 Chicago gangs operate.

The 400-page publication, called The Gang Book, was released Tuesday by the crime-prevention group.

The Associated Press obtained advance access and reported Monday about how gangs' embrace of social media is transforming gang culture.

The book also includes updated gang-turf maps and police data showing that once-cohesive, disciplined gangs have splintered into over 2,400 factions.

Commission President J.R. Davis said Tuesday that the splintering means street-level gang members "are becoming their own leaders," prompting more block-by-block violence.

Vice President Andrew Henning says the book will serve as a guide for regional police. He says it'll also help businesses and schools understand threats gangs pose.

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