Kohberger, 31, is serving four back-to-back life sentences without the chance of parole after pleading guilty to fatally stabbing University of Idaho students.

Bryan Kohberger took the motive for the Idaho murders to his prison cell. One filmmaker believes the answer may lie in why he chose the house he attacked.

Bryan Kohberger previously pleaded guilty for the brutal murders of four University of Idaho students — but nearly three years after the killings, one question continues to haunt investigators, victims’ families and the public alike: Why did he do it?

In his affidavit accompanying his petition for post-conviction relief, Bryan Kohberger reveals his family was very involved in his murder case

Read Bryan Kohberger’s Handwritten Letter Blaming Ex-Lawyer for Life Sentence