Series following Gwent Police's dedicated forensic collision investigators. The team are left stunned by what they discover about a three-car crash in heavy rain. Show more

Series following Gwent Police's forensic collision investigators. The team turns to science to unearth the truth about a single-vehicle crash on the M4 on Christmas Day. Show more

Following Gwent Police's forensic collision investigators. The team get more than they bargained for when they reconstruct the crash between a tractor and a car on a busy street. Show more

The team are alerted to a serious crash by the latest in-car technology, and turn to 3D laser scanning to help establish the facts of what happened. Show more

The collision team are called in to investigate a high-speed crash on the M4 which closes the motorway in both directions. Show more

It’s Friday night, and desperate 999 calls start flooding in to report a car travelling the wrong way along the motorway - but it still ends in tragedy. Show more

When a woman dies after being hit by a lorry on her way to play bingo, the team must reconstruct the scene of the crash to find out who’s to blame. Show more

The Crash Detectives are called in to investigate a hit-and-run that leaves a cyclist fighting for her life, while mystery surrounds the death of a delivery driver on a busy dual carriageway.

When calls start coming in to report debris on the M4 motorway, police discover that a father and son have been in a serious crash. Show more

When a Friday evening trip out in the car ends in a fatal crash, the driver refuses to accept his driving is to blame. The collision team must find the evidence to prove the real story of the night.

When a head-on crash leaves a grandfather dead, Chris discovers the answers could lie in electronic data within the car. Show more

A pedestrian is seriously injured after being struck by a car in a residential street, but police are suspicious of the teenaged driver’s version of events. Show more