The countdown had begun.
With just six weeks remaining, Bryan Kohberger was on the verge of facing trial for the brutal murders of four University of Idaho students. The tragic incident, which saw the young individuals stabbed to death in a violent late-night attack, had occurred more than two-and-a-half years prior.
Then, unexpectedly, everything changed.
In an unforeseen turn of events, the criminology PhD candidate altered his plea to guilty. This decision not only circumvented a lengthy trial but also eliminated the risk of execution by firing squad, leaving the bereaved families without answers to the senseless act of violence.
The families of Kaylee Goncalves, Madison Mogen, Xana Kernodle, and Ethan Chapin were left with mixed emotions following the late June 2025 announcement, as some had hoped for the imposition of the death penalty on their loved ones’ murderer.
But they weren’t the only ones blindsided.
It caught almost everyone by surprise, so closely guarded that only one person among the defense team’s bevy of attorneys and expert witnesses, was in on the secret: Kohberger’s lead counsel Anne Taylor.
In the new book Broken Plea: The Explosive Search for Truth Behind the Idaho Murders, author and former FBI agent Christopher Whitcomb gives a behind-the-scenes account of the plea deal for the very first time.
Bryan Kohberger during a physical exam on January 5, 2023, inside Latah County Jail in Moscow, Idaho, days after his arrest
Kaylee Goncalves and Madison Mogen (left) and Ethan Chapin and Xana Kernodle were murdered by Bryan Kohberger on November 13, 2022
Based on interviews with defense expert witnesses and access to previously unseen court records, Whitcomb says specialists hired to pick holes in the prosecution’s case learned about the plea from the news just like everyone else.
‘No one was expecting it. The entire defense team, the mitigation experts, the forensic experts, everyone associated with the case was preparing for trial. They had booked hotel rooms and were all set to go,’ he told the Daily Mail.
‘The plea was done in a vacuum with Bryan Kohberger, Anne Taylor, the judge and prosecutor Bill Thompson. It was a very small universe of people who knew.’
If the reversal stunned those around the case, the reason for it remained elusive.
And that, Whitcomb suggests, is something it seems only Kohberger knows.
One week after the change in plea, Taylor met over Zoom with a defense expert she had hired for the case.
She offered no clear-cut answer for Kohberger’s decision to plead guilty, ‘just that they had fought their asses off and filed every motion under the sun,’ that criminologist told Whitcomb.
When queried directly if she had asked Kohberger whether he committed the murders and for details about the crimes, the expert – who wished to remain anonymous – said that Taylor gave a cryptic answer: ‘There was nothing.’
According to Taylor, the prosecution had made an offer of a plea deal soon after the controversial Dateline show aired, fueling allegations of an evidence leak. After that, the whole thing moved quickly.
A crime scene photograph of the student home at 1122 King Road in Moscow, Idaho, after the murders were discovered
The plea deal was a closely guarded secret with defense experts saying that only Kohberger and his lead attorney Anne Taylor, above at his change of plea hearing, in the know
She and Kohberger went over the pros and cons and he looked through the reports from his case. Members of her team toured the death row inside Idaho’s Maximum Security prison and reported back to Kohberger what life would be like if he wound up there, the source said.
Kohberger also spoke to his parents, Maryann and Michael Kohberger, and psychologists as he considered his options.
But ultimately ‘it was his decision and his decision alone,’ Taylor reportedly said.
‘What bothers me the most is that she never asked him how or why,’ the insider said. ‘She seemingly never asked her client for a single detail about these horrific crimes.
‘She allowed him to plead guilty knowing he was not going to explain anything in court, that he was not going to explain anything to the parents of those kids, or the investigators who will never be able to put the loose ends together.’
Kohberger’s reason for changing his plea might simply be added to the long list of unanswered questions in the case, alongside his motive and how he chose his victims.
For some defense experts cited in the book, it was a decision that made no sense.
In the eyes of forensic criminologist Dr Brent Turvey, there was one particularly strong reason for seeing the case through to the end: the only piece of physical evidence tying Kohberger to the murders might never have made it in front of the jury.
Since his claims have been aired in the book, Taylor has released a damning statement casting doubt on the scope of his expertise.
The brown leather Ka-Bar knife sheath was found at the scene, and prosecutors said that DNA recovered from it was later matched to Kohberger.
Kohberger left this brown leather Ka-Bar knife sheath behind at the scene of the murders. DNA on the sheath was traced to him
But a defense expert believes that the sheath and the DNA should have been tossed as evidence due to what he alleges was a ‘flawed’ and ‘fabricated’ chain of custody
For the first time, the book reveals Turvey’s belief that the sheath and, in turn, the DNA should have been challenged because of what he alleges was a ‘flawed’ and ‘fabricated’ chain of custody.
If this damning evidence had been tossed, would Kohberger have then got away with murder?
Three legal and crime scene experts who spoke to the Daily Mail have downplayed the significance of Turvey’s assertions – saying they do not believe that the knife sheath evidence would ever have been thrown out.
But the newly revealed argument shines new light on what legal wranglings could have played out had Kohberger not taken the plea deal and the case proceeded to trial.
Crime scene expert Dr Richard English told the Daily Mail that a chain of custody log documents who handles a piece of evidence from the moment it is found to the moment it is presented in court.
‘Any disruption in the chain of custody may cause the evidence to be inadmissible in court,’ he explained.
Photos obtained by Whitcomb and shared with the Daily Mail show a ‘Chain of Custody’ label on the brown evidence bag containing the sheath.
According to the label, the sheath changed hands six times between being seized on November 13, 2022, to it reaching the Idaho State Police crime lab on November 16.
Photos obtained by Whitcomb and shared with the Daily Mail show a ‘Chain of Custody’ label on the brown evidence bag containing the sheath
But the label appears to show the same handwriting in the same pen for all six exchanges, Turvey alleges.
He claims this shows that one person documented the entire chain of custody after the fact, and the chain of custody log, therefore, was ‘fabricated’ and ‘falsified.’
Turvey said that he presented his bombshell discovery to Taylor in late June 2025. But it was too late.
In Broken Plea: The Explosive Search for Truth Behind the Idaho Murders, Christopher Whitcomb gives a behind-the-scenes look at the inner workings of the plea deal
Four days later, Kohberger changed his plea to guilty.
The potential issue was never argued before a judge.
Had it been, Turvey believes that the knife sheath would have been ruled inadmissible and the DNA excluded from trial, meaning jurors would never have learned about the genetic material linking Kohberger to the murders.
This might also have led to the exclusion of the testimony of the officers named on the allegedly falsified chain of custody form.
As some of those officers were the leading investigators who would have been used to introduce other evidence at trial, their loss could have had a huge impact.
‘The state’s case was a three-pillar prosecution: the white Hyundai Elantra seen on surveillance footage, the cell phone analysis, and the DNA found on the knife sheath,’ Whitcomb told the Daily Mail.
‘The knife sheath far exceeded the importance of the other two. If you throw out the knife sheath and therefore the DNA as evidence, you throw out the foundation of the prosecution’s case.
‘Then you have a white car, which nobody saw him in, and cell tower analysis, which shows that his phone was off around[the time of] the crimes, and not much more than that. In a death penalty prosecution, it’s difficult to imagine that a jury would convict just on the white car and the cell tower analysis.’
In response, Taylor released a rare statement about the case, accusing Turvey of breaking his confidentiality agreement and saying that he only had access to limited evidence.
She also suggested that he is unqualified to speak on some of the matters he has weighed in on.
‘Mr. Turvey has not been released from his confidentiality agreement, and is now speaking about topics that are still confidential, many of which are outside of his areas of expertise,’ she said in a press release shared with the Idaho Statesman, and signed by the team of attorneys representing Kohberger.
Photos of Bryan Kohberger taken inside Latah County Jail in Moscow, Idaho, on January 5, 2023
Left to right: Dylan Mortensen, Kaylee Goncalves, Madison Mogen (on Kaylee’s shoulders) Ethan Chapin, Xana Kernodle and Bethany Funke
‘The defense team is appalled by Mr. Turvey’s behavior and his release of documents and information that he knows are confidential. His reliability should be seen through the lens of this conduct.’
The Daily Mail contacted Taylor, the Latah County Prosecutor’s Office, Idaho State Police and Moscow Police for comment.
While the chain of custody for the sheath may have given the defense a line of attack at trial, criminal defense attorney Duncan Levin doubts it would have led to it being tossed from the case.
‘A flaw in the chain of custody is not automatically fatal,’ he told the Daily Mail.
Levin said that the issue could have bruised the prosecution’s evidence but probably would not have broken the case.
In criminal defense attorney Sam Bassett’s experience, courts usually still allow evidence to be admitted even when the chain of custody is not airtight.
‘I think it’s extremely unlikely the sheath would be excluded, despite a failure to follow normal protocols. Obviously, the defense could cross examine about this failure of process but it would not affect the admissibility of the evidence,’ he told the Daily Mail.
In the book, Whitcomb also raises other arguments and issues that the defense planned to make if the case went to trial, including the possibility that there was a second killer, that the crime scene was allegedly cleaned up, and questions about the bloodstain evidence.
‘Bryan Kohberger pled guilty. He’s a grown man. He’s well educated. He’s of sound mind. I’m not going to question his plea. But the crime scene, based on my experience, shows overwhelming evidence of a second offender, and when he pled guilty, the case was closed. How do we not look at what seems to be obvious evidence of another person?’ Whitcomb said.
‘It’s incumbent upon us and police and investigators to look at that evidence and find out if other people were involved in the crime.’
Court documents show that both the defense and prosecution confirm that diluted blood belonging to the victims was found at the scene.
There is no evidence that anyone other than Bryan Kohberger committed the four murders
While the clean-up theory fuels Whitcomb’s belief that more than one perpetrator was involved, English previously told the Daily Mail that the spatters of diluted blood suggest Kohberger may have quickly washed his murder weapon before fleeing from the home.
However, the crime scene expert also explained that the dilution could be due to other liquids from the victims’ bodies such as saliva or urine or even the cleaning agent used by the CSI team processing the scene.
There is also no evidence that anyone other than Kohberger committed the four murders.
DNA evidence, phone data, surveillance footage of his car and the account of a surviving roommate all led back to the awkward loner from Pennsylvania who bought a military-style knife before relocating to Washington in the summer of 2022.
And on July 2, 2025, Kohberger finally admitted to his crimes.
In a change of plea hearing on July 2 in a courtroom in Boise, the criminology PhD student with a fascination for serial killers stood up and pleaded guilty to four counts of murder and one count of burglary over the November 13, 2022, slayings.
In doing so, he admitted that he – and he alone – brutally stole the lives of the four young students.
Why he did it, how he chose his victims and what led him to change his plea are questions, to this day, that only Kohberger can answer.
