10 Rillington Place - Timothy Evans and John Christie

In March 1950, 25-year-old Timothy Evans was executed for a brutal crime inside his London home. The prosecution's star witness was his soft-spoken downstairs neighbor—a former police constable named John Christie, whose quiet authority seemed above suspicion. But three years later, a terrifying discovery hidden behind the wallpaper at 10 Rillington Place forced the nation to confront a horrific possibility.