How Long Does Gunshot Residue Last? Unveiling the Science Behind GSR Persistence
Gunshot residue (GSR) is a complex mixture of particles expelled from a firearm when it’s discharged. These particles contain elements like lead, barium, and antimony, unique to ammunition primers. Understanding how long GSR lasts is crucial in forensic science, law enforcement investigations, and even personal defense scenarios. Its presence (or absence) can provide pivotal information … Read more