Disturbing tale of the hunt for a serial killer

During the sweltering summer of 1985, serial killer and rapist Richard Ramirez (right), nicknamed the Night Stalker, terrorised Los Angeles and the surrounding area. A drifter and drug-user, he claimed to be a satanist and was certainly demonic. He specialised in home invasions and committed a string of killings so disturbing you should steel yourself before watching this four-part documentary about his crimes and the race to catch him. From Wednesday