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Bullet Comparison Lab IN PROCEDURE #6, THE MATCHING IS NOT EASY! Introduction (10 Points) Write an introduction paragraph that talks about the study of ballistics. Include important vocabulary words. Also, describe why this field of study is important in forensics. Ballistics is the study of the mechanics and physics of firearms and bullets. Ballistics is a very important field of study. A large number of crimes today involve guns, and it is important that we are able to use forensics to help better the chances that the criminal will be caught. Each barrel of a gun is unique. Just like a fingerprint, each barrel has a unique set of grooves and lands.This leaves unique marks on each bullet that is fired, so it is possible to identify the make or model of a gun by observing these marks.Investigators look at tool marks left on the bullet as it exits the gun. Tool marks are either striated and impressed. Using a comparison microscope the investigator can view two bullets at the same time and at the same magnification. Some of the characteristics found on a fired bullet are caliber of the bullet, the number of lands and grooves, the twist of the rifling (left or right), and the width of the land and groove impressions. When a gun is fired, burning powder, also known as powder marks or residue, exit the gun. Also, when a bullet ricochets, it collects trace evidence. This can add further details for the investigators to help when trying to understand the events that have taken place.In ballistics, skin tags are little flags of ragged skin that are pulled up