"Inmate Cannon, who did this — is just pure evil," Chambers-Smith said. She also said that Cannon appears to have "veered away" from the dining hall as his unit was moving there, and attacked Lansing while he was in a guard shack,

Andrew Lansing, a corrections officer at a prison in Chillicothe, Ohio, was killed Christmas Day in what state officials say was an "inmate assault."

An inmate allegedly assaulted and killed a veteran corrections officer on Christmas Day at an Ohio prison, an attack authorities said was "beyond comprehension." Officer Andrew Lansing was attacked Wednesday at the Ross Correctional Institution (RCI) in Chillicothe,