What Kohberger's Defense Expert Found — And Why They're Furious

What Kohberger's Defense Expert Found — And Why They're Furious

May 4, 2026 · 23 min

About this episode

The episode discusses the findings of forensic scientist Brent Turvey regarding evidence in the Bryan Kohberger case and the subsequent reactions from Kohberger's defense team.

The people who hired Brent Turvey to help defend Bryan Kohberger are now publicly condemning him. Not because he did bad work. Because he's talking about what the work revealed. Turvey is a forensic scientist — PhD in Criminology, three decades of casework, more than 70 trials as a qualified expert. Kohberger's defense team brought him in to analyze the crime scene at the King Road house where Kaylee Goncalves, Madison Mogen, Xana Kernodle, and Ethan Chapin were fatally stabbed in November 2022. He signed a confidentiality agreement. And according to him, he found something that could have upended the prosecution's entire physical case: alleged chain of custody failures on the Ka-Bar knife sheath — the evidence that carried Kohberger's touch DNA and served as the strongest physical link between him and the crime scene. Turvey says he told the defense about this before the plea deal. He says they didn't pursue it. He says he never got a straight answer about why. Then Kohberger pleaded guilty, and the door to every unresolved evidence question closed. Now Turvey is speaking to reporters. He's collaborated with former FBI agent Christopher Whitcomb, whose new book "Broken Plea"…

People in this episode

Host: Tony Brueski

Topics covered

Mentioned in this episode

Organizations: FBI, Anne Taylor's defense team

Books & works: Broken Plea

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