On Trial: The Idaho College Killer
A high-profile investigation and a quiet "why?"
Four students murdered in their sleep. A criminology PhD student accused of one of the most notorious crimes in recent years. Millions of people following the investigation online. And one question that still has no answer: why did Bryan Kohberger kill?
On Trial: The Idaho College Killer takes viewers inside the case that shocked America and turned a quiet college town into the focus of worldwide attention.
Premiere: Sunday, July 26 at 21:00 CET on Viasat True Crime.
How did one night change hundreds of lives?
On November 13, 2022, the bodies of four students were discovered in a house on King Road in Moscow, Idaho. What initially appeared to be a local tragedy quickly became one of the most talked-about criminal cases of the decade.
The series features real testimony and footage capturing the first moments after the murders were discovered. It was the beginning of an investigation that would grip America for months.
Who were the victims of the Idaho murders?
The victims were:
- Kaylee Goncalves (21)
- Madison Mogen (21)
- Xana Kernodle (20)
- Ethan Chapin (20)
All four were students at the University of Idaho. They had plans, friends and their entire lives ahead of them. That is one of the reasons the case resonated so deeply with people across the country.
What happened inside the King Road house?
The attack took place in the middle of the night. Four students were stabbed to death inside their own home. Two roommates survived.
Investigators quickly concluded that this was not a random burglary gone wrong. The killer appeared to act deliberately and left behind very few clues.
Which quote best captures the horror of this case?
One line from the documentary is particularly haunting:
"Evil entered that home and stole their lives."
It perfectly reflects the emotions felt by the victims' families, friends and the community of Moscow after the murders.
Why did the Idaho case take over the internet?
For weeks, police did not publicly identify a suspect. The lack of answers fuelled endless speculation online.
TikTok, Reddit and YouTube users analysed every detail. Amateur sleuths tried to solve the mystery themselves, turning the case into one of the biggest true crime phenomena of recent years.
How did a white Hyundai Elantra become a crucial clue?
One of the key leads was a white Hyundai Elantra seen near the victims' house.
Surveillance footage helped investigators narrow their search. The vehicle ultimately became one of the pieces of evidence that led police to the suspect.
What was found at the crime scene?
A knife sheath left near one of the victims became a breakthrough piece of evidence.
DNA recovered from the sheath helped investigators identify the person responsible for the murders.
Who is Bryan Kohberger?
Bryan Kohberger was a criminology PhD student at Washington State University.
He had no known personal connection to the victims. He studied criminal behaviour, yet found himself at the centre of one of the most notorious murder cases of the 21st century.
How did investigators connect Kohberger to the murders?
Several pieces of evidence played a key role:
- DNA recovered from the crime scene
- the white Hyundai Elantra
- cellphone data
- surveillance footage
Together, these elements helped investigators build their case against Kohberger.
Why was there no full trial?
America was waiting for a trial that promised to reveal every detail of the case.
Instead, Bryan Kohberger pleaded guilty before a full trial could begin.
In exchange, he avoided the death penalty and was sentenced to four consecutive life sentences without the possibility of parole.
Why do we still not know the motive?
This remains the biggest mystery of the entire case.
Kohberger admitted responsibility but never explained why he murdered four students. The families received a verdict, but not the answer they were searching for.
What makes On Trial: The Idaho College Killer different?
The documentary combines previously unseen material, police footage and testimony from people closest to the victims.
The result is a detailed look at an investigation that dominated headlines for months and continues to fascinate true crime audiences today.
Key facts about the series
- Original title: On Trial: The Idaho College Killer
- Channel: Viasat True Crime
- Premiere: July 26
- Time: 21:00 CET
- Subject: the murders of four University of Idaho students
- Killer: Bryan Kohberger
- Sentence: four life sentences without the possibility of parole
FAQ
When did the murders take place?
November 13, 2022.
How many students were killed?
Four: Kaylee Goncalves, Madison Mogen, Xana Kernodle and Ethan Chapin.
Who was Bryan Kohberger?
A criminology PhD student accused and later convicted of the murders.
How did police identify him?
Through DNA evidence, surveillance footage, cellphone records and the white Hyundai Elantra.
Was there a trial?
No. Kohberger pleaded guilty before a full trial began.
What sentence did he receive?
Four life sentences without the possibility of parole.
Do we know the motive?
No. It remains the biggest unanswered question in the case.
Has a dramatized feature film been made about the Idaho murders?
For years, filmmakers focused exclusively on documentaries. In 2025, development began on the first dramatized feature based on the case, titled The Idaho Murders. Several documentaries had already explored the tragedy, including On Trial: The Idaho College Killer and One Night in Idaho: The College Murders.
A case that still refuses to let go
This is a case where we know the killer, we know the sentence and we know the evidence. Yet we still do not know the answer to the most important question.
On Trial: The Idaho College Killer takes viewers inside an investigation that captivated the world and remains one of the most widely discussed criminal cases of recent years.
Premiere: July 26 at 21:00 CET on Viasat True Crime.
