Mass Murderer Killers

Mark Barton was an American mass murderer responsible for the 1999 Atlanta day trading office shootings. He killed multiple people at two offices after earlier murdering members of his own family. Barton later died by suicide, ending a multi-day manhunt. The case shocked the public and raised concerns about workplace violence and financial stress-related crimes.

Dean Corll, known as the "Candy Man," was an American serial killer responsible for the murders of numerous boys and young men in Texas during the early 1970s. He worked with accomplices to lure and kill victims. Corll was killed by one of his accomplices before he could be arrested. The case became one of the most infamous serial murder investigations in U.S. history.

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.

Basil Borutski is a Canadian man convicted of multiple murders in Ontario in 2015. His crimes were linked to domestic violence and involved targeting women known to him. Borutski was arrested and later convicted, receiving a life sentence. The case drew national attention to issues surrounding domestic violence and failures in the justice system.

Dellen Millard is a Canadian man convicted of multiple murders, including the killing of his father and others in a series of crimes motivated by financial gain and personal control. Millard was arrested and convicted in separate trials, receiving multiple life sentences. His case is notable for the calculated nature of the crimes and the involvement of accomplices.

Joel Guy Jr is accused of planning the murder of his parents.

Steven Pladl is known for divorcing his wife and marrying, subsequently impregnating, his daughter.

Cary Stayner is a serial killer who committed multiple murders in Yosemite National Park between 1999 and 2000