Killer Britain with Dermot Murnaghan - Season 3 (2021)

Nottingham, UK-Mark, dubbed the 'Sneinton Strangler', killed 3 women, had accomplices John Ashley and Dean Carr to help. All members of the homeless community, they also targeted homeless women. Mark wanted notoriety as a serial killer.

Gloucester and Stonehenge, UK-Glyn, tied his landlady Pia to a tree, assaulted and shot her. After serving many years in prison, and diagnosed with Schizophrenia, he was released and killed his wife Hazel, who he met while in prison.

Essex, UK-James, is obsessed with serial killers and stabs and kills James Attfield and Nahid Almanea at the age of 15. At 17, he was planning another murder and hiding in bushes with a knife. A dog walker saw him and contacted police.

Essex, UK-Ramanodge shoots his pregnant ex-wife Sana with a crossbow, killing her, but her baby survives. Although she was remarried, Ramanodge would continue to obsess and breach restraining orders against the mother of 6.