who published a study of tool marks on bullets
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Forensic firearm examination [SEP] Introduction
Forensic firearm examination is the forensic process of examining the characteristics of firearms or bullets left behind at a crime scene. Specialists in this field are tasked with linking bullets to weapons and weapons to individuals. Obliterated serial numbers can be raised and recorded in an attempt to find the registered owner of the weapon. Nitric acid (HNO) is the most common reagent used for this. Examiners can also look for fingerprints on the weapon and cartridges. Fingerprints are key pieces of evidence. If crime scene investigators find prints at a scene, they will be dusted, photographed, collected, and analyzed both by hand (using comparison microscopes) as well as compared to databases for potential By examining unique striations, scratches left behind on the bullet and weapon, individual fired rounds can be, but not always are, linked back to a specific weapon.