heroin in here. >> this is probably it right here. >> inside her car, police find what they say is $300 worth of heroin and three syringes. >> that's why i'm doing this because i'm addicted to it, and you know -- >> how long have you been out here? >> involved in prostitution? >> almost a year. >> that's what you're feeding the addiction -- >> she has been in prostitution for about a year. she has an addiction problem with heroin, and she feeds that addiction through prostitution. >> back at the state police post, dana confesses she's been fighting heroin addiction for over two years. >> so what got you started in prostitution? >> just paying for it.