New doc claims ‘cult leader’ preacher drove Andrea Yates to drown her five children

For more than two decades, Andrea Yates was framed as a monster who drowned her five children to “save them from hell.” But a new doc, The Cult Behind the Killer: The Andrea Yates Story shows a woman grappling with severe postpartum psychosis, who was driven to tragic extremes by the psychological manipulation of others – including a rogue preacher who reached Yates at her most vulnerable. Andrea Cavallier explores the case