Gary Slutkin founded Cure Violence Global, formerly known as CeaseFire, an organization dedicated to training trusted community members to be violence interrupters. Interrupters work with those at risk of committing violence while providing alternative options and resources.

The structure of Chicago gangs isn't what it used to be. The hierarchical organization of the past is largely gone, replaced by many smaller and fractured groups. We talk to three men with experience in dealing with gangs who give us their view of why young people belong to gangs and carry out violence.