Curious City is a news-gathering experiment designed to satisfy the public’s curiosity. People submit questions, vote for their favorites, and WBEZ reports out the winning questions in real time, on Facebook, Twitter and the timeline above.

Siva Iyer from Elmhurt asked: If Illinois legalizes marijuana, how could that affect the economics of the drug trade among gangs? WBEZ reporter Natalie Moore investigates. 

Where do you think we should start this investigation? How would you answer this? Comment below!