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True Crime Today | Daily True Crime News & Interviews

Kouri Richins Trial Day 10: Matthew Throckmorton —Expert Weighs In on Eric’s Signature

True Crime Today | Daily True Crime News & Interviews

Tony Brueski

News, True Crime, News Commentary

4.2612 Ratings

🗓️ 9 March 2026

⏱️ 63 minutes

🧾️ Download transcript

Summary

The Kouri Richins trial brings Matthew Throckmorton, handwriting expert, to the stand in this segment.

The Kouri Richins murder trial continues in Utah as the state prosecutes the children's book author for allegedly poisoning her husband Eric Richins with fentanyl. Prosecutors allege she killed him for insurance money after secretly increasing his policy to $1.9 million. The defense maintains Eric died from accidental drug use.

True Crime Today delivers real-time trial coverage as it happens—key testimony, critical cross-examinations, and the moments that matter. No waiting for nightly recaps. Watch the case unfold live.

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Transcript

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0:00.0

You're listening to continuing coverage from the trial of Corey Ridgians from the Hidden Killers podcast and true crime today.

0:08.4

Now, back to the courtroom.

0:12.0

Please proceed.

0:13.2

Thank you, Your Honor.

0:14.5

Please state your full name and spell your last name for the record.

0:18.6

My name is George Matthew Throckmorton.

0:21.8

That's T-H-R-O-C-K-M-O-R-T-O-N.

0:26.5

Sir, are you employed?

0:28.3

Yes.

0:29.0

I work full-time for the Salt Lake City Police Department in the crime lab as a crime scene investigator

0:34.6

with a specialty in forensic document examination.

0:38.3

Okay.

0:39.3

How long have you been with Salt Lake City as a crime scene?

0:43.3

27 years.

0:44.3

And what is a forensic document examiner?

0:52.3

Forensic document examiner is an individual who examines and compares writing in an attempt to determine identity,

0:59.0

authorship, or authenticity.

1:01.0

This includes the examination of handwriting erasures, inks, papers, basically anything related to documents.

1:09.0

So how long have you been doing that forensic document examination?

1:15.6

30 years.

1:16.6

Okay.

1:17.6

Did you have any special training that you've done just specifically for FTE?

...

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