I posted a thread last night about black mobs roaming around Chicago, attacking people and stealing shit, as it was happening (I was listening over the police scanners).
Here's the video footage from that event:
CBS Chicago - Hundreds Of Teens Run Through Downtown Chicago, Fighting And Disobeying Police:
These chicoon flash mobs are usually more common during the summer (when school is out), but they seem to be getting worse every year, it's becoming the norm here in Chicongo.