When Sadie Beacham's boyfriend goes missing and blood is found at his apartment, the last person she suspects is her ex.

Detectives find his cell phone and ID in his freezer, but cannot find him. Investigators are stumped, until Sadie’s daughter comes forward with information about someone her mother knows well.

As the case unravels, police discover Sadie's ex was stalking the new couple, and that he made sure her new partner's body will never be recovered.

From crime to investigation, trial to verdict, this true crime special goes inside one of the USA's most high-profile murder cases.

From the series Behind the Crime.