An Enumclaw mother of three is behind bars following allegations that she shook her 3-year-old son so severely that he partially lost his sight as the boy struggled at potty training.... Investigators contend DuFour, 25, shook or choked the boy so severely he received significant brain damage. “The victim … was covered in bruises from head to toe, partially blinded and will have lasting neurological and physical challenges after suffering repeated assaults at the hands of the defendant,” Gregory told the court.