Assume Nothing: A Noise in the Night

Belfast-born sound mixer Peter Devlin joins forces with producer Conor McKay to trace the extraordinary rags-to-riches story of Edward L Doheny - a penniless prospector who built a vast oil empire. Prompted by strange noises captured on tape, Peter begins by learning more about the dark history of Greystone Mansion - and discovers that two men died within the Beverly Hills property in mysterious circumstances in February 1929