James Walker, the man serving a 30-year sentence for a notorious shooting spree along the Beeline Highway in Arizona, was found dead on Saturday in his prison cell. The Arizona Department of Corrections, Rehabilitation & Reentry confirmed that Walker, 44, appeared to have taken his own life at the Arizona State Prison Complex in Tucson. “Prison staff discovered Walker unresponsive in his housing unit on March 02, 2024, and conducted life-saving measures until paramedics arrived onsite,” ADCRR said in a statement. Despite the efforts, he was pronounced deceased by the medical staff.