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.

Case 1: Ian Paterson
In 2012 Dr Ian Paterson was suspended by the General Medical Council after allegations came to light that many of his surgical operations were not even necessary. Hundreds of his patients soon found themselves embroiled in what became one of the biggest scandals in British medical history. West Midlands Police tell the inside story of how they were able to prove the rogue surgeon was guilty of wounding his patients with intent.

Case 2: Rich Pepper
In Humberside a family is left devastated after an argument between two best friends leads to a fatal stabbing of a young father.