Detectives hunt for two rapists. They race to stop a recent offender from striking again. And can new cutting-edge forensic techniques help them catch a rapist who has evaded justice for 10 years?

An experienced officer from the Bedfordshire Police Internet Child Abuse Investigation Team investigates an area of criminal behaviour beyond anything she has tackled before

Detectives race to the scene of a stabbing in broad daylight. Cameras follow every twist and turn of the investigation, revealing the real-life stories behind the familiar headlines about knife crime.

The cameras follow an engrossing and surprising real-life investigation into a reported burglary of antiques worth a quarter of a million pounds from a country estate.

Detectives investigate the sudden death of a 48-year-old woman in Cambridgeshire, and the hunt for clues takes the investigation right across Europe as cameras follow every twist and turn in the investigation.