even a tiny dose of it can be lethal. craig uses fen tannal. like everyone, he wants to stop but says he can t. i m addicteded to opoids. what do you do here in the street, what kind of opiates? all the opiates right now is fentanyl. so everybody s dying. reporter: it s about to start pouring in boston. these people who can t live without their pills and their needles will be sleeping in dirt that will turn into mud. are you afraid you re going to die from this? i know i m going to die from this. reporter: are you afraid you re going to die from this. not really afraid. honestly, sometimes, it just seems easier. reporter: gary tuchman, cnn, boston. much more straight ahead in the newsroom. first, meet this week s cnn hero, max levet. a lot of kids learn the importance of work ethic on the sports field.