In 1896 a cold-blooded serial killer calling himself Frank Butler advertised for mining partners in Sydney newspapers. Those who went west with him to the Blue Mountains were never seen alive again. Yet one man who escaped Butler’s clutches was to become a police officer — and take part in the manhunt for this monster, a chase that stretched from Sydney to San Francisco and made headlines all over the world.  See acast.com/privacy for privacy and opt-out information.