The killer of four Idaho college students set his own cellmate on edge by “analyzing everything” and taking hour-long showers.

Unsealed documents on Bryan Kohberger have shed new light on his troubled time at Washington State University.

Unsealed investigation documents revealed surviving roommate Dylan Mortensen's initial interview recalling what she heard during the murders.

Heather and Jared Barnhart, both from the digital forensics firm Cellebrite, discuss some of the evidence they recovered from Bryan Kohberger's cellphone and laptop - including 'American Psycho'-style selfies and searches for serial killers.

Authorities unsealed interviews with members of the Washington State University community, where Bryan Kohberger had a reputation of "being a d---," according to a classmate

Bryan Kohberger's plea deal sparks questions and concerns about law enforcement practices and genealogy database usage.

In another short clip, the 30-year-old murderer is seen standing ominously in the middle of his lockup, slowly cleaning his shoes.