download (17)A Needles, California man serving prison time for a cold case homicide conviction has died of natural causes. Jimmie Joe Cox, 76, died July 7 according to California Department of Corrections spokesman Luis Patino.

Patino said Cox had been placed in hospice care at the California Medical Facility at the time of his death.

Cox was a suspect for years after his girlfriend’s body parts washed up on the Arizona side of the Colorado River in 1982. Cox was finally charged with the murder of Carole Spearman, 25, in May, 2010 and he was convicted during a December, 2011 trial in Barstow.

Cox was serving his prison sentence at the time of his death.