STATE – Dixie Shanahan Duty, 50, Defiance, convicted of second-degree murder in 2004 in the shooting death of her husband, Scott Shanahan, has been granted work release by the Iowa Board of Parole. The board made the decision on June 5, but hasn’t announced a date when the work release will be effective. Duty has been an inmate at the Iowa Correctional Institution for Women in Mitchellville, roughly 20 miles east of Des Moines, since