Case 1: Claudia Lawrence
It's been 10 years since York chef Claudia Lawrence mysteriously disappeared, leading to one of the most high-profile missing person cases this country has ever seen. Now, following the anniversary of her disappearance, Claudia's parents, friend Jen and local journalist Mike Laycock relive the past decade and tell of the police investigation and review that led to nine arrests and interviews under caution, but still no convictions. 

Case 2: Len Saunders
One punch can kill. An entire community is left devastated after an unprovoked attack leaves an elderly man fighting for his life.