Troy Peiffer walked away on Dec. 16, 2017, from Jim E. Hamilton Correctional Center, a male minimum-security facility in Hodgen, Oklahoma.
Peiffer is described as 5-feet 11-inches tall, weighing approximately 141 pounds, with brown hair and blue eyes.
He was incarcerated for failing to register as a sex offender.
His sex offense conviction is out of Pennsylvania.
ODOC agents believe Peiffer may be homeless in the Oklahoma City area.
If you have information on Peiffer's location, please call our escapee hotline at (866) 363-1119. All calls are confidential.