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Marion Albert Pruett (c. 1950 – April 12, 1999) was a serial killer executed in Arkansas by lethal injection. Marion Pruett was sentenced to death for the October 12, 1981, murder of Bobbie Jean Robertson, a convenience store clerk in Fort Smith, Arkansas. She was one of at least five people Pruett killed; three of which were killed during that same week. In the press in Mississippi, he became the self-proclaimed "Mad Dog Killer". |