Prosecutors believe that Bryan Kohberger broke into his victims' home through a sliding glass door and then killed Madison Mogen and Kaylee Goncalves first

Bryan Kohberger is expected to take a plea deal in the alleged murders of Madison Mogen, 21, Kaylee Goncalves, 21, Xana Kernodle, 20, and Ethan Chapin, 20, who were University of Idaho students

Bryan Kohberger admitted to murdering Xana Kernodle, Ethan Chapin, Madison Mogen and Kaylee Goncalves, but he still hasn't said why he did it.