Kohberger, who was a graduate student at Washington State University, near the University of Idaho, admitted responsibility for the murders of sorority girls Madison Mogen, 21, Kaylee Goncalves, 21, ...

The parents of two of the victims, Madison Mogen and Ethan Chapin, are sharing their stories in their first-ever interviews.

Plus, directors Liz Garbus and Matthew Galkin open up about their 'victim-forward' approach in this documentary.