Cracking The Case

Episode 2

The Predator behind the Camera

The drug-assisted crimes of 'one of the most prolific sexual predators' UK police have seen are revealed through found footage. How did secret recordings expose the double life of rapist Zhenhao Zou?

Episode 3

The Heist, the Hit and the Hunt

A series of seemingly unrelated events reveals a web of organised crime. How did an iPad found in the River Thames link a UK murder plot with a heist from a Swiss museum?