The man accused of stabbing four University of Idaho college students to death was identified through DNA evidence left on a knife sheath at the crime scene and cellular data showed his phone was in the area of the Moscow, Idaho, crime scene at least a dozen times before the murders, officials said in an affidavit released Thursday.
The Idaho State Lab discovered DNA on a knife sheath left on the bed next to victim Madison Mogen, Moscow Police Department Cpl. Brett Payne said in the affidavit.
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