Teachers' Dark Secrets: Murder and Betrayal

A UK teacher, Fiona Beal, is on trial for allegedly stabbing and burying her partner, Nicholas Billingham, in their backyard after suspecting him of cheating. Prosecutors presented evidence from Beal's diary, in which she appeared to confess to the crime and detail how she carried it out. Police found Billingham's mummified remains four and a half months after he was last seen. Beal denied killing him, but her diary detailed her treatment at his hands and plan to get back at him.