>> in tbronx. >> [ bleep ]. i was paying a lot out there. i was paying 800. >> you use half, sell half? >> no. >> how do you -- >> gambling. >> casino, poker dice. >> that's how you make your money. that's a big a habit. >> i can build my tolerance up. in the morning, because i've been doing heroin since i was 15. in the morning i can do a little bit. and do a little more. do a little more and i build my tolerance up. i got a golf ball fricking abscess on my arm. they said i was pretty much dead. i sat in the hospital for four days. >> okay. all right. let's take him back to detention. >> while santa cruz's interview doesn't reveal drug smuggling. they have state mandated -- is a way by which drugs penetrate the facility. she was caught trying to pass balloons of heroin from her bra to her boyfriend. these and others were foiled by gathering intelligence from the inmate population. >> we have people that we work with who are inmates. we develop a rapport with them. as we talk to them, watch this person coming in or if we have information, so