Police report quotes mother 's statement about beating that killed girl . Mother 's husband took Riley Ann Sawyers across room , affidavit quotes . A fisherman found Riley 's body stuffed inside a blue storage container that washed up on an uninhabited island in Galveston 's West Bay . She later attempted suicide , mother told police . Riley Ann 's mother and her husband arrested after a tip led to search .
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 .