World's Most Notorious Killers, The Vienna Strangler

When local police in Gloucester, England, investigate the case of a missing girl they chance upon a graveyard of bodies buried under number 25 Cromwell Street. Who is Fred West, the house's owner and what has he done?

Detectives across Austria, Czechoslovakia, and the USA slowly realise that they are all hunting the same man - a celebrity who has been hiding in plain sight all along.

Six Belgian girls have mysteriously gone missing at the hands of 'The Monster.' Now he is in police custody, unmasked as Marc Dutroux. But is he a serial killer or something more sinister?

In January 1982 Lynette Dawson, a loving wife and mother disappears. Days later her husband, Christopher Dawson moves their teenage babysitter into their home.