Joyce Mitchell Is New York Prison Worker Questioned in Murderers' Escape, Sources Say

Joyce Mitchell was questioned in the escape of Richard Matt and David Sweat.

— -- Sources tell ABC News that a prison worker named Joyce Mitchell has been questioned by investigators in their probe into the dramatic escape of two convicted murderers at an upstate New York penitentiary.

Mitchell has worked at Clinton Correctional since 2010, according to the records, and supervises inmate work assignments.

A spokeswoman for the Department of Correction declined to comment.

Inmates Richard Matt and David Sweat were reported missing from the prison Saturday morning after making a dramatic escape that included cutting through steel pipes.

New York State is offering a $100,000 reward for information leading to their apprehension and arrest.