Why we take the drugs we take can seem sort of black and white: Illegal drugs are bad, legal ones are good. But not all illegal drugs are bad. And the way we get the legal ones isn’t always good. We spoke to “John” on the southside of Chicago. He sells the drugs people need for their health.

Thanks to Dr. Greg Scott of Depaul for his research and interviewing help. To see a trailer for his film about Chicagoland injection drug users, go here.