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DA says Bryan Kohberger's DNA matches sample from knife sheath near Idaho victim Maddie Mogen
By Michael Ruiz
Published June 22, 2023 8:21PM
Idaho Students Killed
FOX News
Bryan Kohberger arraignment: Watch Idaho murders suspect's full court appearance
A judge has entered not guilty pleas for a man charged in the stabbing deaths of four University of Idaho students. The pleas potentially set the stage for a trial in which he could face the death penalty. Bryan Kohberger declined to enter pleas on his own behalf in Monday's arraignment. He was arrested late last year and charged with burglary and four counts of first-degree murder in connection with with the Nov. 13, 2022, killings. Prosecutors have 60 days to announce whether they will seek the death penalty.
MOSCOW, Idaho - Idaho prosecutors explained in detail how they came to believe it was the DNA of student murders' suspect Bryan Kohberger that they recovered from a knife sheath near the body of Madison Mogen in November.
Once they had a cheek swab, they found a "statistical match."
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"A traditional STR DNA comparison was done between the STR profile found on the Ka-Bar knife sheath and Defendant’s DNA," prosecutors revealed in court filings this week. "The comparison showed a statistical match."
Mogen, 21, and three friends, Kaylee Goncalves , 21, Xana Kernodle , 20, and Ethan Chapin , 20, were all stabbed to death during a 4 a.m. home invasion, according to court documents.
Local police in Moscow, Idaho , quickly enlisted the help of state police and the FBI, who through a massive effort under blistering public scrutiny tracked their suspect to the other side of the country, where he was celebrating the holidays with his family in Pennsylvania’s Pocono Mountains as four West Coast families grieved the loss of their young adult children.
A comparison of the knife sheath DNA to the FBI’s database came up empty.
Police began using relatively new and publicly available investigative genetic genealogy techniques, according to the court documents. The FBI began checking the sample against publicly available DNA databases and subscription-only archives exclusive to law enforcement, according to the filing.
Related
article
Idaho murders suspect Bryan Kohberger wants more time to decide on alibi defense
Idaho murders suspect Bryan Kohberger's attorneys are asking for more time to give the state notice of an alibi for his defense.
Investigators also dug into social media, vital records and pursued leads.
Ultimately, investigators developed a lead and collected a DNA sample from the trash outside the Kohbergers’ home . They found a familial match, and after arresting the 28-year-old criminologist on Dec. 30, collected samples directly from the suspect.
"The STR profile is at least 5.37 octillion times more likely to be seen if Defendant is the source than if an unrelated individual randomly selected from the general population is the source," prosecutors explained in court filings.
STR, or short tandem repeat, is a common type of DNA testing used in criminal cases, according to the National Institute of Justice, which says an STR match "can give nearly irrefutable evidence statistically of a person's identity."
The revelations came in a motion for a protective order in response to Kohberger's attempts for more discovery materials.
Kohberger’s trial on four charges of first-degree murder was scheduled to begin on Oct. 2. He is being held without bail and could face the death penalty if convicted.
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DA says Bryan Kohberger's DNA matches sample from knife sheath near Idaho victim Maddie Mogen
By Michael Ruiz
Published June 22, 2023 8:21PM
Idaho Students Killed
FOX News
Bryan Kohberger arraignment: Watch Idaho murders suspect's full court appearance
A judge has entered not guilty pleas for a man charged in the stabbing deaths of four University of Idaho students. The pleas potentially set the stage for a trial in which he could face the death penalty. Bryan Kohberger declined to enter pleas on his own behalf in Monday's arraignment. He was arrested late last year and charged with burglary and four counts of first-degree murder in connection with with the Nov. 13, 2022, killings. Prosecutors have 60 days to announce whether they will seek the death penalty.
MOSCOW, Idaho - Idaho prosecutors explained in detail how they came to believe it was the DNA of student murders' suspect Bryan Kohberger that they recovered from a knife sheath near the body of Madison Mogen in November.
Once they had a cheek swab, they found a "statistical match."
Breast Cancer Treatment Cost in Mexico Might be Cheaper Than You Think.Breast Cancer | Search Ads
|
Sponsored Search Now
"A traditional STR DNA comparison was done between the STR profile found on the Ka-Bar knife sheath and Defendant’s DNA," prosecutors revealed in court filings this week. "The comparison showed a statistical match."
Mogen, 21, and three friends, Kaylee Goncalves , 21, Xana Kernodle , 20, and Ethan Chapin , 20, were all stabbed to death during a 4 a.m. home invasion, according to court documents.
Local police in Moscow, Idaho , quickly enlisted the help of state police and the FBI, who through a massive effort under blistering public scrutiny tracked their suspect to the other side of the country, where he was celebrating the holidays with his family in Pennsylvania’s Pocono Mountains as four West Coast families grieved the loss of their young adult children.
A comparison of the knife sheath DNA to the FBI’s database came up empty.
Police began using relatively new and publicly available investigative genetic genealogy techniques, according to the court documents. The FBI began checking the sample against publicly available DNA databases and subscription-only archives exclusive to law enforcement, according to the filing.
Related
article
Idaho murders suspect Bryan Kohberger wants more time to decide on alibi defense
Idaho murders suspect Bryan Kohberger's attorneys are asking for more time to give the state notice of an alibi for his defense.
Investigators also dug into social media, vital records and pursued leads.
Ultimately, investigators developed a lead and collected a DNA sample from the trash outside the Kohbergers’ home . They found a familial match, and after arresting the 28-year-old criminologist on Dec. 30, collected samples directly from the suspect.
"The STR profile is at least 5.37 octillion times more likely to be seen if Defendant is the source than if an unrelated individual randomly selected from the general population is the source," prosecutors explained in court filings.
STR, or short tandem repeat, is a common type of DNA testing used in criminal cases, according to the National Institute of Justice, which says an STR match "can give nearly irrefutable evidence statistically of a person's identity."
The revelations came in a motion for a protective order in response to Kohberger's attempts for more discovery materials.
Kohberger’s trial on four charges of first-degree murder was scheduled to begin on Oct. 2. He is being held without bail and could face the death penalty if convicted.
DAILY NEWSLETTER
All the news you need to know, every day
By clicking Sign Up, I confirm
that I have read and agree
to the Privacy Policy
and Terms of Service .
Download FOX 13 Apps
Vote in our Poll!
Latest News
View More
DA says Bryan Kohberger's DNA matches sample from knife sheath near Idaho victim Maddie Mogen
76-year-old now homeless after being scammed out of $800k life-savings
Biden reaches agreement with India to remove tariffs on WA apples, chickpeas, lentils
16-year-old robbery suspect arrested in Downtown Seattle, stolen handgun recovered
MultiCare Good Samaritan nurses vote to strike amid staffing issues and unsafe work conditions
Latest Videos
View More
video
3 arrested for alleged illegal gun possession and trafficking
video
Caught on camera: Woman steals cash box from family raising funds to repair their only car
video
Coast Guard says missing submersible imploded near Titanic wreckage, leaving no survivors
video
Everett PD: Woman was hit by multiple drivers in deadly hit-and-run
video
Temps near 80 on Friday, warm weekend ahead
Tweets by fox13seattle
News
Local
National
World
Politics
Get the FOX 13 News App
Links You Saw on TV
Good News Only
FOX 13 en Español
Sign-up for Our Newsletters
Consumer
Gas Prices
Health
Healthier Together
Environment
Entertainment
FOX News Sunday
Good Day Seattle
Watch Live
Seen on Good Day Seattle
Good Day Seattle Team
Links You Saw on TV
Closures & Delays
Things To Do
Submit your Weather Photo/Video
Ski & Snowboard Report
Liz's Pet Tricks
Healthier Together
Driver on the Street
Studio 13 Live
Watch Clips from the Show
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Watch Full Episodes on YouTube
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Seattle Sips
Passport to the Northwest
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Studio 13 Live on Instagram
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The Spotlight with David Rose
Latest from The Spotlight
Watch Full Episodes on YouTube
David Rose
Submit a Tip to The Spotlight
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Get the FOX 13 Weather App
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Submit your Weather Photo/Video
Closures & Delays
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MLB All-Star Game
FIFA Women's World Cup
Mariners
Seahawks
Kraken
Storm
Sounders
OL Reign
Huskies
Cougars
Commentary
Watch Live Video
Live Newscasts, Replays & Events
Stream FOX LOCAL on your TV
Watch live streams in mobile app
LiveNOW from FOX
FOX Weather
Watch FOX Soul
Special Coverage
Idaho Students Murdered
Oakley Carlson Disappearance
MLB All-Star Game
Opioid/Fentanyl Epidemic
Missing Persons
Washington State Politics
Lori Vallow-Chad Daybell Case
British Royal Family
Russia-Ukraine War
Money
Personal Finance
Consumer
Business
Economy
Savings
COVID-19 and the Economy
Regional News
San Francisco News - KTVU FOX 2
Los Angeles News - FOX 11 Los Angeles
Phoenix News - FOX 10 Phoenix
About Us
Download our Apps
FOX 13 Staff
Links You Saw on TV
TV Schedule
FOX Shows
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Request a Speaker
Advertise with FOX 13
Captioning Info
FCC Public File
FCC Applications
Contests
youtube
tiktok
New Privacy Policy Terms of Service Your Privacy Choices FCC Public FileEEO Public File FCC Applications About Us Jobs At KCPQ and KZJO Contact Us Sitemap
This material may not be published, broadcast, rewritten, or redistributed. ©2023 FOX Television Stations
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