At approximately 8:40 a.m., Jimmy Odom assaulted a contract employee and stole a delivery truck, according to Bill Lamoreaux, spokesman for the Arizona Department of Corrections.
Odom drove through the Cimarron Unit's interior fence before being stopped by the unit's perimeter fence. A correctional officer immediately restrained him. The name of that correctional officer has not been released.
Beyond the Cimarron perimeter is the complex's double-perimeter fence that is patrolled by armed officers, Lamoreaux said.
Odom was sentenced out of Coconino County and is serving a life sentence for first-degree murder, burglary, armed robbery and kidnapping convictions. Those crimes were committed on Sept. 11, 2001, according to ADC records.
Odom was admitted to ASPC-Tucson on June 10, 2004.
The 744-bed Cimarron Unit remains locked down and the incident is under investigation by the department.
ASPC-Tucson, which can accommodate minimum- to high-security inmates, is one of 13 prison facilities operation by ADC. The Cimarron Unit houses inmates at security levels three and four. ADC security scores range from one to five, with five being the highest.
All inmates sentenced to life start out as level fives. After serving more than five years of a life sentence, an inmate can be reclassified as no less than medium custody. The ADC website shows Odom's was reclassified as a security level three in June 2009.
Wednesday's escape attempt will likely return Odom to maximum custody.