Bryan Kohberger brazenly boasted about the Idaho murders to a classmate, according to newly unsealed documents.

New details about killer Bryan Kohberger have emerged after the 2022 stabbing deaths of four University of Idaho students following Kohberger's guilty plea and conviction.

In the weeks following Bryan Kohberger’s arrest in December 2022 for the murders of four University of Idaho students, the Washington State University graduate student’s classmates and professors told police about the concerning behavior he exhibited around the time of the killings.