in 2013, there were 93. that's more than a 40% reduction. >> we're taking a more wholistic approach to crime in chicago than i think has been done in most places in the country. >> what are you trying to achieve? >> i'm trying to save the world. can't you tell? right now i'm trying to save chicago. >> you're trying to save chicago. any particular part of chicago? >> all of it. >> chicago has one of the worst, most difficult, most detractable gang violence problems in the country. >> maybe there's something in the water here. in the '60s, the latin kings ruled. then came the leader of the gangster disciples. willie lloyd, king of the vice lords. that fell apart in the '90s when top gang lieutenants were sent to prison and most of chicago's