An exploratory study of the potential of LIBS for visualizing gunshot residue patterns

Gunshot residues (GSR), also known as cartridge discharge residues or firearms discharge residues, are particles produced during the discharge of a firearm [1]. These particles, typically of micron dimensions, are a mixture of organic compounds, coming mainly from the propellant, and inorganic compounds from the primer, propellant, cartridge case, bullet or the firearm itself. GSR particles are launched with the projectile and are transferred to the victim (target), the shooter or to different objects at the scene.

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