Watch: Bryan Kohberger's Signed Confession for All 4 Idaho Murders RevealedNearly three years after the Idaho murders, Bryan Kohberger is remaining silent. Before the 30-year-old was formally sentenced for killing University of Idaho students Kaylee Goncalves, Ethan Chapin, Madison Mogen and Xana Kernodle in an off-campus home in November 2022, he told Judge Steven Hippler he "respectfully" declined to speak. Upon hearing this, a family member of one of the victims, said, per NBC News, "Surprise, surprise.