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.

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.

Kaylee Goncalves' sister delivers scathing statement to Bryan Kohberger as the Idaho murderer receives four consecutive life sentences without parole

University of Idaho murder victim Kaylee Goncalves’ sister Alivea Goncalves described what it was like coming face-to-face with killer Bryan Kohberger at his sentencing hearing. On Wednesday, July 23,

Steve Goncalves, the father of Kaylee Goncalves, who was murdered by Bryan Kohberger along with three other University of Idaho students, tells NewsNation his family received a text threatening their lives during the sentencing hearing.

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

Bryan Kohberger waved red flags to a former match on Tinder by questioning her about murder weapons and death in the weeks that led up to the gruesome slayings of four college students. A woman only referred to as “KC” and “C” in newly-released documents obtained by E!