Gunshot Residue Testing
Type: Concept
As of November 2026, Gunshot Residue Testing has been mentioned in one podcast episode on Crime Junkie (Nov 2026). GSR test results (on Heather's and Andy's hands) are central to arguments about who fired the weapon and the integrity/timing of testing is disputed.
Gunshot residue (GSR), also known as cartridge discharge residue (CDR), gunfire residue (GFR), or firearm discharge residue (FDR), consists of all of the particles that are expelled from the muzzle of a gun following the discharge of a bullet. It is principally composed of burnt and unburnt particles from the explosive primer, the propellant (gunpowder), stabilisers and other additives. The act of firing a bullet incites a highly pressurised, explosive reaction that is contained within the barre
| Mentioned in | 1 episode on 1 podcast (as of November 2026) |
|---|---|
| First heard | Nov 2026 on Crime Junkie |
| Field | Forensic science |
Who talks about Gunshot Residue Testing on podcasts?
Gunshot Residue Testing came up; the most recent mention was Nov 2026 on Crime Junkie.
What is Gunshot Residue Testing mentioned alongside?
Gunshot Residue Testing is most often mentioned alongside Ashley Flowers, Georgia Bureau of Investigation and Curtis Turner.
Mentioned together: Ashley Flowers, Georgia Bureau of Investigation, Curtis Turner, Domestic Violence, Andy Turner, Brit Prawat, Paulding County Sheriff's Office, Crime Junkie, Lindsey Eberhart Fuller, Indiana