In the days after murdering four University of Idaho students in an off-campus home, Bryan Kohberger’s behavior shifted dramatically and investigators would later find that he had fixated on news coverage of the killings and began paying for items in cash – often wearing gloves – as he avoided the area of the murders.

Despite Kohberger's guilty plea in the Idaho murders, investigators still don't know his motive, who he targeted or where the murder weapon is after he covered his tracks.

Bryan Kohberger's mom Maryann Kohberger and sister Amanda Kohberger had emotional reactions while appearing in court for the 30-year-old's sentencing for the Idaho college student murders.

She told police that they planned to meet shortly after he stabbed four students, but that they stopped talking because their conversations made her "uncomfortable."

Idaho quadruple murderer Bryan Kohberger transitions from county jail to maximum security prison where inmates with life sentences have nothing to lose

Families of the four students stabbed to death in a home near the University of Idaho campus shared emotional statements during the defendant's sentencing.

A friend of Bryan Kohberger, who also shared an office with him at Washington State University, spoke with police about his inappropriate interactions with women