Bryan Kohberger pleaded guilty to the 2022 Idaho student murders and received four life sentences without parole or appeal. Key questions still remain unanswered.

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, the masked man who sneaked into a rental home near the University of Idaho campus and stabbed four students to death in late 2022, faced the families of his victims in court

Newly unsealed documents from the Moscow Police Department reveal harrowing details about the killings of four University of Idaho college students — as well as chilling insights into the habits of their admitted murderer, Bryan Kohberger.

Bryan Kohberger remained calm during his first police interview after the University of Idaho murders, discussing his criminology Ph.D. before invoking his Fifth Amendment rights.

"I was prepared to be arrested that day," Alivea Goncalves told ABC News of confronting her younger sister's killer in court.