Prime Suspect: Hunting the Predators

The four-year manhunt for predator Matthew Falder. Devices seized from his bedroom reveal him as the most prolific online paedophile the NCA have ever investigated.

Following the National Crime Agency operation to apprehend serial 'catfish' and blackmailer Anthony Burns, who controlled and abused his victims through deception and threats.

What begins as a simple arrest becomes the NCA's biggest investigation as Abdul Elahi, their most prolific online predator, describes how he targeted and abused vulnerable children and women.