Idaho students killed: What we know about the violent quadruple murder in Moscow

Weeks after four University of Idaho students were killed, police arrested a suspect in eastern Pennsylvania. Bryan Kohberger, 28, was arrested on Dec. 30 and charged with four counts murder and felony burglary in the stabbing deaths of Kaylee Goncalves, Madison Mogen, Xana Kernodle and Ethan Chapin.