images  Overall, the estimated number of gang-problem jurisdictions in the National Youth Gang Survey study population increased 14 percent between 2002 and 2011. An increase occurred in all areas—large and small urban, rural, and suburban areas. Following a marked decline from the mid-1990s to the early 2000s, the prevalence rate of gang activity significantly increased between 2001 and 2005 and has since remained fairly constant (National Gang Center, 2014).

images  Gang problems are most widespread in the largest cities in the United ...

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