A body was found in the living room of a concert pianist, shot to death. Yi-yun lin, the deceased, was a foreign student from China. No murder weapon was found on the scene, no sign of forced entry. It was seemingly a ho...A body was found in the living room of a concert pianist, shot to death. Yi-yun lin, the deceased, was a foreign student from China. No murder weapon was found on the scene, no sign of forced entry. It was seemingly a homicide, but who was the killer?