The state patrol is investigating. In 1996, social worker Bonita Haynes was murdered as she worked solo at Lima Correctional Institution. The 29-year-old was found in an employee bathroom with her throat slashed.

Ross Correctional Institution Officer Andrew Lansing was known as a great guy to his family and a fair and firm guard to inmates, his brother said.

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

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

Gov. Mike DeWine ordered flags lowered to half-staff to honor Andrew Lansing, a prison guard killed on Christmas Day.