you could go in and get a gram. they'll front the money, so it's whatever's easiest. >> with chicago's crystal meth traffic on the rise, investigator mike davis has recruited an informant from the city's number one hub of meth use, the gay community. >> you can't just do this. you have to coordinate this through davis, because they have to give you the money and know exactly when you're going in and coming out. >> but as long as this informant, whom we're calling tango, is in jail, he needs his boyfriend on the outside to set up targets for police. >> yeah. we're on our way. all right, be good. >> four days later, tango's partner comes through. he arranges a buy with a major dealer. now davis and investigator dimas hernandez are headed to boystown