The newly released police documents revealed the horrifying extent of the crimes and an unnerving sighting by one of the victims' surviving roommates in the days leading up to the killings. They also indicate that at least one of the victims fought back intensely.

Ethan Chapin, 20, Kaylee Goncalves, 21, Xana Kernodle, 20, and Madison Mogen, 21 — shocked the world in 2022. Their killer, Bryan Kohberger, pleaded guilty to their murders at the end of June, but his motives still remain a mystery.

Bryan Kohberger—who is serving life in prison for killing four University of Idaho students—chatted with detectives about college sports during his 2022 interrogation, per police documents.