Susanna Reid looks back on the evidence that showed who killed Becky Watts.

The Murder of Becky Watts: Police Tapes

Susanna Reid looks at how one of Britain's most cunning serial killers was finally caught after 20 years.

The Gameshow Serial Killer: Police Tapes

The end of an era as the studios where ITV filmed its many shows for 45 years closes its doors for the last time.

The London Studios: Home of the Stars

With exclusive access to police evidence, Susanna Reid presents the backstory and investigation into one of the Britain's most notorious, and dangerous, female serial killers.

Joanne Dennehy: Serial Killer

For 17 years, a serial rapist known as 'The Night Stalker' terrorised the elderly population of South London. In this film, senior officers from the case tell the extraordinary story of how a 17 day stakeout - one of the largest the Met police has ever staged - finally brought him to justice.