Police estimate that there are 31,000 gangs currently operating in the U.S. with more than 800,000 members, many of whom are female. ABC News correspondent Cynthia McFadden interviews female members of two Los Angeles gangs, the Drifters and Tepa 13. Correspondent John Quinones talks with King Tone, radical leader of New York City's notorious Latin Kings. Unscripted video footage shot by members of these three gangs provides a glimpse of life inside the net that is snaring young people all across the U.S.