The Red Barn Murder is one of Britain’s most haunting true crime cases, made even stranger by its alleged paranormal twist. When Maria Marten vanished from Polstead in 1827, suspicion soon fell on her boyfriend, William Corder. But it was her stepmother Ann’s disturbing dreams, said to reveal both Maria’s murder and burial place, that turned the case into legend. Was this simply intuition, or something far more mysterious guiding the search for the truth?