gavin awerbuch. she wouldn't speak to us.at hiring a former "playboy" model or a former exotic dancer as i was assessing whether or not they had what i call, unfortunately, a killer instinct. almost no conscience. ♪ ♪ >> narrator: when boyd finally published his story, he also made the first link to a death from subsys. >> carolyn markland had back pain. she had taken subsys the night before and literally died with it on her bed. >> narrator: carolyn markland's doctor had been a paid speaker for insys. >> we put it out, and i got a lot of emails from people on wall street who felt that i didn't understand what i was talking about. >> narrator: boyd stayed focused on the story, and soon made a discovery that would have impact. >> insys had what i call the killer app in its ability to get its drug approved. and their hack, as it were, is simply to lie to the insurance companies. >> narrator: it was called the insurance reimbursement center, i.r.c., an internal group at insys that dealt directly with insurance companies. >> narr