The man who confessed to fatally stabbing four University of Idaho students nearly three years ago was investigated for an earlier break-in that involved a knife-wielding intruder wearing a ski mask,

One of the four University of Idaho murder victims, Xana Kernodle, likely interrupted her killer, Bryan Kohberger, as he was attacking the first two students, according to the lead investigator.When Kohberger broke into the college students' home in the early hours of Nov.