Mass Murderer Killers

Robert Gleason is identified as a death row inmate who was executed for his role in the murder of Freddie Owen.

Robert Lee Bennett is a serial killer, also known as The Handcuff Man

Bobby Long, identified as a serial killer, picked his victims from newspaper ads

Robert Napper is a convicted killer responsible for a series of violent crimes and murders in the UK.

Robert Pickton is a Canadian serial killer who was active in Vancouver's Downtown Eastside from the mid-1980s to 2002.

Robert Rhodes is the offender in horrific crimes, as indicated by the documentary title.

Robert Spangler was an American serial killer and con artist responsible for multiple murders, including the killing of family members and other victims. He often staged deaths to appear accidental. Spangler was eventually arrested and convicted, receiving a life sentence. He died in prison in 2001, with his case notable for the deceptive methods used to conceal his crimes.