Find out what Bryan Kohberger's teachers and students at Washington State University, where he was working towards a PhD, said about his behavior.

The cell phone history of Valerie Reyes, whose frozen body was found in a suitcase, held valuable clues for investigators trying to identify her killer.

The investigation into a deadly home invasion involving a local business owner takes a turn when an unlikely witness comes forward. New details emerge from exclusive interviews and never-before-seen ...