He took out his ex's whole family - Britain's Darkest Taboos
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The nightmare Horden attack occurred on January 1, 2012. After losing his hold on his partner, Susan McGoldrick, Michael Atherton claimed the lives of Susan, her sister, Alison Turnbull, and niece, Tanya Turnbull. Britain’s Darkest Taboos tells the stories of some of the most shocking and disturbing crimes within families and relationships. Every family’s worst nightmares are relived and re-told in unflinching detail by those left behind – by the families and friends, and by others whose lives have been touched - like the police officers and reporters involved in the cases.