Kayle Fleischauer Retrial Day 6 - Heather Williams - Firearms Analyst & Nick Stahlke - Crime Lab

TL;DR

Firearms expert testifies about the functionality of the pistol in question and discusses the difference between single-action and double-action firearms, while video evidence is examined to determine the recoil and path of the pistol when fired.

Transcript

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Key Insights

• 👮 Being a police officer does not automatically make someone a firearms expert.
• ❤️‍🔥 The grip on the pistol in the video recording does not resemble a human grip when firing a firearm.
• 🔫 The pistol in question is a double-action semi-automatic pistol.
• 🔂 Single-action firearms do one action when the trigger is pulled, while double-action firearms do two actions.
• ❤️‍🔥 The expert test-fired the pistol to ensure its functionality.
• 🔫 The expert did not check for kickback or recoil in the pistol.
• 🐚 There were instances in the video recording where the pistol ejected the shell and loaded another, and instances where it did not.

Questions & Answers

Q: Does being a police officer make someone automatically a firearms expert?

No, being a police officer does not automatically make someone a firearms expert. The expert in this case went through extensive training specifically in firearms and tool mark examination.

Q: How long did the expert go through firearms and tool mark examiner training?

The expert went through approximately 18 to 20 months of firearms and tool mark examiner training.

Q: What did the expert observe in the video recording of the physical tests done by Corey Burton?

The expert observed that the grip on the pistol in the video did not resemble a human grip when firing a firearm. It appeared that mannequin hands were holding the sides of a holster, which then held the pistol.

Q: What is the difference between single-action and double-action firearms?

In a single-action pistol, pulling the trigger releases the firing pin to fire the cartridge. In a double-action pistol, pulling the trigger both pulls back the firing pin or striker and releases it to fire the cartridge.

Summary & Key Takeaways

• A firearms expert testifies that being a police officer does not automatically make someone a firearms expert, and she received 18 to 20 months of firearms and tool mark examiner training.

• The expert examines a video recording of physical tests done by a person named Corey Burton and notes that the grip on the pistol in the video does not resemble a human grip when firing a firearm.

• The expert explains that the pistol in question is a double-action semi-automatic pistol and discusses the difference between single-action and double-action firearms.

• The expert testifies that she test-fired the pistol to ensure its functionality, but did not check for kickback or recoil.