CHICAGO (AP) -- In a statement Thursday, Quinn says Michael Randle's resignation is effective Sept. 17.

Quinn says he'll name a replacement shortly. And he says he appreciates Randle's "dedicated service" to the state.

A report last month said the Department of Corrections failed to consider possible dangers to the public when it tried to save money by granting early release to prisoners, some of whom were violent.

Quinn has heaped most of the blame on Randle, and Randle has said Quinn ordered that violent offenders not be part of the program.

The Chicago Tribune first reported Randle's pending departure in Thursday's paper.