The Supreme Court heard that particles characteristic of gunshot residue were discovered on the hands of a man charged with murder. Tarah Helsel, a GSR expert from Pennsylvania-based RJ Lee Group, ...

Gunshot residue (GSR) analysis is a critical aspect of forensic science, particularly in investigations involving firearms. GSR refers to the tiny particles that are expelled when a gun is fired ...

The collection and analysis of gun shot residue and its admissibility as evidence in the upcoming murder trial of Ryan Houser ...

A jury found Charles Murphy guilty of murdering Teresa Lischer in 2022. Evidence, including a Ring camera and gunshot residue ...