Casper, WY – According to the statement, his name is Charles Leslie Bruce and he died Saturday.
The 69-year-old man died at the Wyoming Medium Correctional Institution in Torrington.
He was convicted of first-degree sexual assault with intrusion in Carbon County and sentenced to life on April 14, 1999.
The officials have reported that an autopsy will be conducted to determine his cause of death.
This story will be updated when new information is available.