Gov. Scott Walker says he doesn't "have any knowledge" about whether his administration stopped former Corrections Secretary Ed Wall from seeking an outside review of Wisconsin's troubled juvenile prisons in 2015.

A television station is reporting that Gov. Scott Walker's administration told former prisons Secretary Ed Wall to cancel his request for a prison-administrator association to investigate abuse at Wisconsin's youth prison.

A former Wisconsin prisons director accuses Gov. Scott Walker and Attorney General Brad Schimel of driving him to the edge of suicide in a new book released Friday, extending a long-running feud between him, Walker's office and the state Department of Justice.

A state panel rejected former state Corrections secretary Ed Wall's appeal of his firing, saying he knowingly tried to evade Wisconsin's open records law.