Youths join gangs for many reasons / Lonnie Jackson
Youths join gangs for protection / Scott H. Decker and Barrik Van Winkle
Youths join gangs for the thrill of violence and power / Isis Sapp-Grant and Rosemarie Robotham
Girls join gangs to escape problems at home / Jody Miller
Asian youths join gangs because they feel culturally alienated / Patrick Du Phuoc Long with Laura Ricard
Drug trafficking encourages gang behavior / Lewis Yablonsky
The media encourage gang behavior / Rick Landre, Mike Miller, and Dee Porter
Prison life encourages gang behavior / Tiffany Danitz.