The story behind the murder of 16-year-old Becky Watts, who was killed by her stepbrother Nathan Matthews and his 21-year-old partner Shauna Hoare in Bristol in February 2015. This programme documents the huge police manhunt that unfolded in the wake of her disappearance, and the police investigation which eventually brought her murderous stepbrother to justice.

Before his death in 2009, Michael Jackson was the biggest pop star on the planet. But his private life was marred by allegations of child sex abuse. Experts in body language, speech and forensic psychology explore whether he was "faking it" on camera.