The Indiana couple accused of severely abusing and murdering 13-year-old Christian Choate is filing for divorce, and will head to court for a hearing Dec. 20.The Northwest Indiana Times reports Riley Choate, 39, filed for a divorce from his wife, Kimberly Kubina, 45, on Aug. 5, without an attorney. The couple is currently being held without bond in the Lake County Jail and have a bail hearing scheduled for Sept.