The John H. Lilley Correctional Center doesn’t scream hightech.
The men’s minimum- security prison, built in 1925 as the Oklahoma State School for Incorrigible Negro Boys and repurposed in the early 1980s to accommodate adult offenders, sits among soft rolling hills and cattle farms. One-third of its 825 prisoners are elderly or medically frail, with many requiring wheelchairs or walkers to get fro…