"Happy Face Killer" Keith Jesperson believes Kohberger's awkwardness and high-profile murder case make him vulnerable, and he's recommending a transfer to Oregon.

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.

Bryan Kohberger, who pleaded guilty to the murders of four University of Idaho students, is expected to serve his life sentence at a facility called one of the "15 worst prisons in America."

As Bryan Kohberger prepares to serve four consecutive life sentences in an Idaho state prison for the murder of four college students, we reflect on the events that led to his guilty plea.

Families of the University of Idaho murder victims spoke directly to their children's admitted killer Bryan Kohberger at his sentencing hearing.

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.

Latah County Prosecutor Bill Thompson said he blocked Dylan Mortensen from being within Bryan Kohberger's view while she read a victim impact statement.

ABC News sat down with Idaho State Police Lt. Darren Gilbertson, the lead detective in the Idaho murders case, after Bryan Kohberger was put behind bars for life.

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

The cold-blooded quadruple murderer had no words for his mom, Maryann Kohberger, and sister, Amanda, as he was hauled out of the courtroom in cuffs — despite them being the only two members of the

Kaylee Goncalves’ father, Steve, spoke with CNN’s Jim Sciutto after Bryan Kohberger was sentenced to life in prison without parole for the murders of four University of Idaho students, including his daughter.