ROOMMATE FROM HELL.

DAN HARRIS (ABC NEWS) (Off-camera) Hey, good evening. If you've ever had a roommate, you know things can get tense at times. But what you're about to see goes way beyond that. A young woman who may go to prison for allegedly trying to poison her roommates and it was all caught on camera. This is a cautionary tale about who you sign a lease with. In fact, it's just one of many such tales, as ABC's Chris Connelly shows us. [ABSTRACT FROM PUBLISHER]