Police report quotes mother 's statement about beating that killed girl . Mother 's husband took Riley Ann Sawyers across room , affidavit quotes . She later attempted suicide , mother told police . Riley Ann 's mother and her husband arrested after a tip led to search .
Police affidavit quotes mother 's statement about beating that killed girl . Mother 's husband threw Riley Ann Sawyers across room , affidavit says . Husband later attempted suicide , mother told police . Riley Ann 's mother and her husband arrested after a tip led to search .