Season 14 - Episode Guide

Following the investigation into one of the biggest murder inquiries ever conducted by the Bedfordshire Police. . On Friday 13 September 2024, police receive a 999 call from a block of flats after gunshots are heard. Bedfordshire Police immediately scramble all available resources to the scene. It's clear that the shots have killed some of the occupants.

Detectives from the Major Crime Unit have a suspect in custody but they're shocked when what their investigation reveals is even more devastating and important than their worst fears. Forensic analysis of his life online demonstrates that he craved notoriety by becoming the most deadly mass school shooter in history, and that he had based his plans on what he had found online about other school shooters.