The trial of Lindsay Clancy, the Duxbury mother who killed her three children is entering its third week. Then would come the defense's case, and among the witnesses could be a social worker who never met Lindsay Clancy. WATCH HERE WATCH HERESocial media posts by Emily Thorndike, a former social worker at McLean Hospital, have caught the defense's attention. Clancy was treated at McLean, but Thorndike did not work there at the time. "There is one doctor who comes on weekend and holidays and he or she sees every patient in the unit," Thorndike said.