Three of the charges carry a sentence of natural life in prison. Murillo's charges include first-degree murder, attempted first-degree murder, aggravated assault, armed robbery, kidnapping, burglary, criminal damage, fleeing law enforcement, vehicle theft, impersonating a peace officer and illegally firing a weapon. Authorities said he carjacked six vehicles during a crime spree.
During the incident, Cordova was attempting to stop a carjacking involving Murillo near the market when Murillo got out of the vehicle and fired his AR-15 at least 10 times at Cordova's patrol car, reports the
Arizona Daily Star
.
Related:
Prosecutors Seek Death Penalty for Man Accused of Killing Arizona Officer
It was the first time since 1888 a Nogales police officer was shot and killed in the line of duty.
Murillo's sentencing is scheduled for Sept. 11.