Investigative journalist, William Brennan, discusses his haunting story for New York Magazine. "Worst Roommate Ever." It's the tale of Jamison Bachman, a failed lawyer and troubled tutor, who duped dozens of tenants into agreeing to let him live with them. Bachman eventually snaps and murders the person closest to him. Brennan shares the story behind the story, and what it was like to work on a true crime story happening in real time.