A look at some of the most infamous crimes in U.K. history
Cast:Tom Roberts , Patricia Winker , Dermot Murnaghan , Paul Bergquist , Don Gayle , Ernest Vernon , Vanessa Winter-Lambourne , Nig Richards , Ian Dowden , Mark McCormick , Helen McGahan , Eric Campbell , Dorrie Partington , Laurence Alison , Michael Ralph Jones , Claryn Scott , John Clarkson , Gary Simpson
In May 2017, an Ariana Grande Concert at Manchester Arena was interrupted by a terrorist attack. The attack resulted in 22 deaths and hundreds of injuries. The bombing remains one of the Uks deadliest terrorist incidents.
In 2014, 61-year old teacher Ann Maguire was stabbed to death by a teenage pupil while teaching a Spanish lesson at Corpus Christi Catholic College in Leeds.
The harrowing story of EastEnders actress Gemma McCluskie, who was murdered by her older brother in the flat they shared in east London in 2012.
An inside look at the series of mysterious deaths that occurred at Stepping Hill Hospital in Stockport, Greater Manchester, in 2011.
A closer look at the crimes of Steve Wright, who was dubbed 'The Suffolk Strangler' after murdering five women in and around Ipswich in 2006.
A chilling look at the crimes of Stephen Port, the east London serial killer who poisoned four young men with lethal doses of a date rape drug.