recently investigators adrian sandoval and drake carpenter began hearing about a renewed battle on theeets between two long-time rivals, the latin kings and the maniac latin disciples. >> what are you? >> man yack. >> it's hot over there. what's your background? >> couple of misdemeanors, resisting arrest. >> fighting with kings? >> what do they call you? >> maniacs have been at war with a lot of other big gangs, cold bros, gangsteres, kingsment one of the biggest bloodiest wars was with themselves. >> you're not going to see my face. no shame in my game. salute me or shoot me. >> maniac latin disciples or mlds represent the second largest latino street gang in chicago. founded in the 1960s, they got their start on the city's northwest side and branched out from there. they now claim up to 3,000 members, who must obey strict codes of conduct. above all, no one is toç cooperate with law enforcement. but sandoval and carpenter have seen gang members break that cardinal rule time and time again. they personally recruited many informants from the maniac latin disciples, including this man