Forensic Ballistics Practice Test
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- Basic knowledge of forensic ballistics
Forensic firearm examination is the forensic process of examining the characteristics of firearms as well as any cartridges or bullets left behind at a crime scene. By examining unique striations, or markings, left behind on the bullet as it passes through the barrel and on the cartridge as it is hit by the firing pin, individual spent rounds can be linked back to a specific weapon.
Known exemplars taken from a seized weapon can be directly compared to samples recovered from the scene using a comparison microscope. Striation images can also be uploaded to any existing national databases. Furthermore, these markings can be compared to other images in an attempt to link one weapon to multiple crime scenes.
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