The article below shows the outcome of all the gang violence in the last couple decades. In December of 2014, L.A. and it's police department has declared that the gang violence has come to a halt. Homicides, robberies, assaults, and other crimes has decreased. http://www.psmag.com/navigation/politics-and-law/the-end-of-gangs-los-angeles-southern-california-epidemic-crime-95498/