Case 1: Michelle Stewart When 17-year-old Michelle Stewart's first relationship came to an end, she was looking forward to moving on and exploring the exciting opportunities that lay ahead. But ex-boyfriend John Wilson had other ideas, failing to accept the break-up, he wanted to make sure that if he couldn't have Michelle, nor could anyone else. Case 2: David Irwin When young mum Helen Hill's husband didn't come home after a night out, panic set in, but nothing could have prepared her for the truth behind his absence.