UPDATE: Authorities say Kenneth Michael Sullivan is back in custody.
ORIGINAL: Authorities are looking for a convicted robber and registered sex offender who escaped from custody in Baltimore Monday night.
Kenneth Michael Sullivan, pictured above, was last seen at the Metropolitan Transition Center in Baltimore around 10 p.m. Monday.
Sullivan, 34, is serving a 9-year and 2-month prison sentence for robbery, according to a release from the Maryland Department of Public Safety and Correctional Services. Sullivan is ordered to register as a sex offender because of 2001 third-degree sex offense conviction.
He is described as 5-feet, 10-inches tall and 190 pounds with green eyes, a bald head and a beard. Sullivan also has a tattoo on the left side of his neck.
His last known address is in the 12000 block of Eastern Avenue in Middle River.
A search is underway for Sullivan and anyone with information about his location is asked to call 911.