overall crime rates and murder rates are down really quite substantially. there's apparently a special circumstances in chicago where a druglord has seized monopoly control of the drug markets in chicago that set drug gangs fighting for the remnants, for what's left. and that apparently has increased some of the homicide violence we've been seeing in chicago and those numbers spiked. again, there is this sort of background noise and that's the way we often treat it of murders and other kind of shootings that for too long we don't really think about. >> i think it's like, i'm going to put on my tipper gore hat for a moment. there's a culture of violence