Dangerous Liberty Ep159 - Matt Kester - Full Charlie Kirk Audio Analysis

Published on October 21, 2025
Duration: 168:27

This video details an advanced methodology for analyzing audio recordings to determine the origin point of a gunshot. The process involves extracting audio, analyzing waveforms and waterfall displays to identify the supersonic crack and muzzle blast, and using a spreadsheet model that incorporates geolocated camera data, environmental factors, and assumed ballistic properties to calculate potential shot locations. The analysis emphasizes the importance of peer review and transparent data presentation.

Quick Summary

Advanced audio ballistics analysis uses waveform and waterfall displays to identify the supersonic crack and muzzle blast. By geolocating cameras and accounting for environmental factors like temperature, a spreadsheet model calculates the speed of sound and time gaps to estimate shot location and distance.

Chapters

  1. 00:00:00Introduction & Podcast Rules
  2. 00:04:00Guest Introduction: Matt Kester
  3. 00:08:40Methodology: Audio Forensics & Dr. Maher
  4. 00:09:59Supersonic vs. Subsonic Rounds
  5. 00:11:02Audio Extraction & Software
  6. 00:13:44Spreadsheet Model & Mock Cone Analogy
  7. 00:14:19Camera Geolocation & Input Data
  8. 00:16:52Environmental Data & Speed of Sound
  9. 00:18:30Assumption Sheet & Bullet Velocity
  10. 00:20:32Waveform Analysis Walkthrough
  11. 00:20:35Crack vs. Boom Timing
  12. 00:24:09UVU Camera Waveform Analysis
  13. 00:29:32Radius Overlap for Shot Location
  14. 00:31:05Methodology Summary
  15. 00:33:293D Model & Slope Analysis
  16. 00:34:32Analysis of Potential Shooter Locations
  17. 00:39:39Alternative Trajectory Analysis
  18. 00:43:41Analysis of Longer Distance Gaps
  19. 00:44:46Matt's Confidence in Math
  20. 00:46:24Viewer Question: Intentional Miss?
  21. 00:47:01Viewer Question: Cameras in Losi Building?
  22. 00:49:02Viewer Question: Roof Shot Debunked?
  23. 00:52:52Mystery: No Exit Wound
  24. 00:53:36Ammunition Variables & Handloads
  25. 00:59:36Viewer Question: Charlie Kirk's View
  26. 01:00:25Shooter's Line of Sight Analysis
  27. 01:09:14Line of Sight from Charlie's Perspective
  28. 01:15:17Parallels to Thomas Krooks Incident
  29. 01:17:17Ballistics of .30-06 vs. .300 Win Mag
  30. 01:24:13X-Fill Planning & George Zen
  31. 01:36:36UVU Courtyard as a Killbox

Frequently Asked Questions

What is the core methodology for analyzing gunshot audio to determine shot location?

The core methodology involves extracting audio from video, analyzing waveforms and waterfall displays to identify the supersonic crack and muzzle blast, and using a spreadsheet model. This model incorporates geolocated camera data, environmental factors like temperature, and assumed ballistic properties to calculate potential shot locations and distances.

How does ambient temperature affect ballistic audio analysis?

Ambient air temperature directly influences the speed of sound. This is critical because the time difference between the supersonic crack and the muzzle blast is used to calculate the distance to the shooter. An accurate speed of sound calculation, derived from temperature, is essential for precise distance estimation.

What is the significance of the time gap between the supersonic crack and the muzzle blast?

The time gap between the supersonic crack and the muzzle blast is a key indicator of distance. The bullet travels faster than sound, creating the crack first. The muzzle blast follows. The longer the time gap, the further away the shot originated, assuming other factors like bullet velocity and atmospheric conditions are known.

Why is geolocating cameras important in audio ballistics analysis?

Geolocating cameras is crucial because it provides the precise positions (latitude, longitude, elevation) of the audio recording devices. This data, along with the bearing to the target, allows analysts to build a 3D model and accurately calculate distances and angles, which are fundamental inputs for ballistic calculations.

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