7. Dudley Wayne Kyzer
Length of sentence: 2 life sentences + 10,000 years
Dudley Wayne Kyzer, dubbed the “Halloween murderer” is a triple murderer from Alabama. He was convicted of killing his estranged wife Diane Kyzer, her mother Eunice Barringer and a college student, Rick Pyron, who happened to be at the Barringer home on Halloween in 1976. 53 years ago Kyzer was also involved in a death of a friend during a baseball game in Tuscaloosa. In 1981, he was convicted for the triple murder and the original sentence was the death penalty. However, it was overturned and he got 2 life sentences and 10,000 years in prison. He has been denied parole 10 times.
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