Crime Inside the hunt for the University of Idaho killer After four students were stabbed to death in a house near the college campus, investigators scooped up data and forensic evidence, hoping for leads. A new DNA technique finally brought a breakthrough. Investigators at the rented house in Moscow, Idaho, where four University of Idaho students were found dead in November. Rajah Bose / The New York Times MOSCOW, Idaho — In the weeks after four University of Idaho students were found slaughtered in a house near campus last November, a growing roster of investigators desperately searching for answers had...