What happened when terror gripped the rural town of Moscow, Idaho, when authorities found four University of Idaho students ― Ethan Chapin (20), Madison Mogen (21), Xana Kernodle (20) and Kaylee Goncalves (21) ― stabbed to death in an off-campus house in November.
David Muir was born on November 8, 1973 and is currently 50 years old.
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