Gang related violence is one of the biggest challenges facing Governments worldwide. In United States, gang membership has been in decline since the late 1990s. However. crime by gangs still remains a major public concern.
Although only a small percentage of young people are involved with gangs, but they are responsible for a large percentage of crimes in affected communities. They are not only perpetrators of violence but also victims. In order to address the problem of gang violence, it is important to understand the relationship between gang-affiliation and mental health.