The Poughkeepsie Tapes (2007)
When hundreds of videotapes showing torture, murder and dismemberment are found in an abandoned house, they reveal a serial killer's decade-long reign of terror and become the most disturbing collection of evidence homicide detectives have ever seen. mask, pedophilia, stockholm syndrome, suffering, sadism, snuff, mockumentary, mysterious man, serial killer, brainwashing, torture, sadist, slave, masked man, macabre, found footage, torment, mysterious killer