CROWN HEIGHTS - A 9-year-old boy was found dead in his parents? Crown Heights apartment and his mother was hospitalized after she was struck by a subway train.Police say the boy, Knil Jean Noel, was found dead by his father Monday night in the family's apartment on Brooklyn Avenue, near Eastern Parkway. Police say the boy may have been suffocated. Officials also say shortly before the boy was found, his mother was stuck by a moving train in Coney Island. Investigators don't suspect foul play in the subway incident. The boy's mother is being treated for her injuries at Lutheran Hospital. She is also being questioned by police.