COOK COUNTY, Ill. — An inmate was beaten to death inside his Cook County Jail cell.

Officials say 24-year-old Raheem Hatter was found unresponsive early Tuesday morning with injuries to his head. 

Correctional officers rushed into the cell to perform life-saving measures, which proved unsuccessful. Hatter was pronounced dead at the scene.

An autopsy ruled his death a homicide. 

Hatter was in jail awaiting trial on a weapons charge for bringing a gun into the University of Chicago Hospital. 

Illinois State Police are investigating Hatter’s death.