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?

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.

Cameras follow every twist and turn of a real-life police investigation as detectives attempt to catch a suspected drug trafficker before he can escape on a flight to Spain

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.