A corrections officer died after an assault by an inmate in an Ohio prison on Christmas morning, authorities say.

"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."