AMU Break the Case Law Enforcement Podcast Public Safety

EP 05 | Break the Case: What Type of Knife Was Used to Kill Debbie Sue Williamson?

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This is the fifth episode in a podcast series following the investigation into the unsolved murder of Debbie Sue Williamson. Listen to the first episode.

Listen to Episode 05:

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M3 Trench Knife is a double-edged, military-style knife. It has a 3- to 4-inch blade, totaling about 6 inches in length, including the handle. It was designed for combat so it has a high hilt and a grooved leather handle. This knife was produced by the military during World War II. Photo courtesy of Jeff Shafer.

The murder weapon is always a critical piece of evidence in any homicide case. Although the knife used to kill Debbie Sue Williamson was never recovered, the autopsy photos and reports can provide insight into the type of knife used.

In the fifth episode, Jen Bucholtz and George Jared interview Jeff Shafer, a professional knife-maker who has been studying and creating knives for years. Learn why he believes a M3 Trench Knife—a double-edged, military-style, high-quality knife—was likely used in this attack. He also sheds light on the likely order of stab wounds and how the killer attacked Debbie as she was leaving her house.

Jen and George also discuss the timeline of events prior to Debbie’s murder and provide updates on the current re-investigation into the case by the Lubbock Police Department.

Also hear an exciting announcement about highlighting Debbie’s case during CrimeCon 2022 in Las Vegas on April 29 to May 1. (Use the code “BREAK” to get a 10% discount off standard badges.)

Do you remember anyone in Debbie’s circle owning or having access to this type of knife? If so, we want to hear from you.

Anyone who has information about Debbie Williamson’s murder is asked to please report tips to the Lubbock Police Department at 806-775-1425 or 806-300-6490.

Tips may be sent to tips@justice4debbie.com. Anyone reporting tips is assured confidentiality. 

If you’d like to be a part of the effort and follow along, join the Facebook group dedicated to getting justice for Debbie, Unsolved Murder of Deborah Sue Williamson (Deborah Agnew).

Stay updated when new episodes are released by following Break the Case Podcast on Twitter.

Listen to Episode 06: CrimeCon, CrimeHQ and the Texas Cold Case Unit

Jennifer Bucholtz is faculty at American Military University. She is a former U.S. Army Counterintelligence Agent and a veteran of the Iraq and Afghanistan wars. She holds a BS in criminal justice, MA in criminal justice and MS in forensic sciences. She worked for the Arizona DOC and Office of the Chief Medical Examiner in NYC.

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