The investigation team make a shocking discovery that sends Colin halfway across the world. It’s a huge gamble for one last shot at the truth – but will he find what he’s looking for?

If you have been affected by child sexual abuse, help and support is available at bbc.co.uk/actionline

Presented and investigated by Colin Campbell

Series written and produced by Satiyesh Manoharajah

Episode producer: Jolyon Jenkins

Episode sound design and mix: Arlie Adlington

Original music: Steve Urquhart

Executive producer: Alistair Jackson

A BBC Studios Production