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Idaho State Police have released more than 500 pages of documents compiled during their investigation of the University of Idaho student murders and into killer Bryan Kohberger.
They include dozens of witness interviews, photographs and other evidence obtained before and after Kohberger’s arrest – from the start of the investigation when they had few leads to the end, after Kohberger was already in custody and police had DNA linking him to the scene.
Some of the interviews shed new light on the victims as well as Kohberger’s mindset before the slayings.
A fellow graduate student at Washington State University, where Kohberger was pursuing a Ph.D. in criminology, told state detectives that Kohberger butted heads with classmates and faculty.
IDAHO MURDERS TIMELINE: BRYAN KOHBERGER PLEA CAPS YEARSLONG QUEST FOR JUSTICE
Bryan Kohberger appears at the Ada County Courthouse for his sentencing hearing, Wednesday, July 23, 2025, in Boise, Idaho, for brutally stabbing four University of Idaho students to death nearly three years ago. (AP Photo/Kyle Green, Pool)
Kohberger was rude and condescending toward women whose field of study focused on “sexual burglary,” she said, and other people in the department pegged him as a potential “incel” (involuntary celibate) and “possible future rapist.” However, she told police, they did not suspect he was the killer.
She said he expressed interests in “the emotions of what it felt like when committing a crime” and “how offenders might avoid getting caught.”
Kohberger had also briefly discussed the murders, which happened 10 miles away in Moscow, Idaho, with his peers, calling them “horrible.” He suggested that “maybe it was a one and done type of thing,” according to the documents.
BRYAN KOHBERGER PLEADED GUILTY TO IDAHO STUDENT MURDERS, BUT THESE KEY QUESTIONS REMAIN UNANSWERED
Madison Mogen, top left, smiles on the shoulders of her best friend, Kaylee Goncalves, as they pose with Ethan Chapin, Xana Kernodle, and two other housemates in Goncalves’ final Instagram post, shared the day before the four students were stabbed to death. (@kayleegoncalves/Instagram)
At one point, a professor had to escort a female WSU student to her car because Kohberger’s “behavior was of concern.” The school received more than a dozen complaints about his conduct, including reports of “inappropriate behavior.”
The documents also delve into concerns from Kaylee Goncalves, 21, one of the four victims, who said she believed she spotted someone stalking her from the tree line outside the house at 1122 King Road, just steps from the University of Idaho campus.
In one incident, she believed a man was staring at her from next to a dumpster in the street near their house. In another, she told friends that a man followed her to her car in the parking lot at a nearby WinCo grocery store, then tried to open her door after she got in.
INSIDE THE HORROR: IDAHO FOUR CRIME SCENE PHOTOS REVEAL BLOODY AFTERMATH OF ATTACK
A watchman parked outside 1122 King Road on Dec. 11, 2022, four weeks after four students were stabbed to death inside. (Michael Ruiz/Fox News Digital)
At another point, someone broke into Goncalves’ parked car, moved some of her personal belongings, including lip gloss, placed her suitcase in the street and stole her underwear.
The other victims were Madison Mogen, 21, Xana Kernodle, 20, and Ethan Chapin, 20.
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Next to Mogen’s left hip, police found what would turn out to be a crucial part of the case – a tan leather Ka-Bar knife sheath with Kohberger’s DNA on the snap, left behind on the victim’s tan comforter in her third-story bedroom.
Kohberger ultimately pleaded guilty to four counts of first-degree murder and another of felony burglary weeks before he would have gone to trial. The plea deal avoided the death penalty, and Kohberger received four consecutive sentences of life with no parole plus another 10 years. He waived his rights to appeal and to seek a sentence reduction.
This is a developing story. Stick with Fox News Digital for updates.