Charles Harrelson, 69, was found unresponsive in his cell on the morning of March 15, 2007, said Felicia Ponce, a Bureau of Prisons spokeswoman in Washington.
Fremont County Coroner Dorothy Twellman said an autopsy showed Harrelson had severe coronary artery disease. She said he probably died in his sleep. It appears it was very sudden.
NOTE: I seem to recall he was suspected for some period of time of having been involved in the JFK assassination.
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Thanks for the update, I did not know he was found 'unresponsive' last year.
Wonder what secrets he took with him?