Authorities are calling the death of an inmate at the Arizona State Prison in Tucson a possible homicide.
The Arizona Department of Corrections tells Tucson News Now, Christian Frost, 38, died Friday at the prison on South Wilmot Road.
Right now, investigators are not saying how Frost was killed.
Frost was serving 26 years for manslaughter, flight from law enforcement and aggravated assault. He had been in prison since February, 1998, after being sentenced in Maricopa County.
The department's Criminal Investigations Unit is now conducting the investigation into Frost's death.
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