What information can a forensic scientist determine from examining a fired bullet?

What evidence can be found on a bullet?

Forensic ballistics involves the examination of evidence from firearms that may have been used in a crime. When a bullet is fired from a gun, the gun leaves microscopic marks on the bullet and cartridge case. These marks are like ballistic fingerprints.

What characteristics can you analyze on a fired bullet?

The three main class characteristics of all bullets are the lands and grooves, the caliber of the bullet, and the rifling twist. All three can be tied directly to the type of barrel that was used to fire the bullet.

When analyzing a bullet What do forensic scientists look for how can a bullet be matched to the gun it was fired from?

Individual characteristics

If a ballistics examiner has access to the weapon that allegedly fired an old bullet, new “test” bullets can be fired and compared to the old bullet. To look for matching marks, the bullets are examined under a special microscope that allows side-by-side comparison of two objects.

What part of the body do forensic odontologists use to identify a victim?

What part of the body do forensic of odontologists use to identify a victim? Why is this body part particularly useful as a source of identification? They identify victims by studying teeth. Teeth are useful for identification because they are composed of enamel, which is the hardest substance in the body.

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What are some characteristics used to identify and compare bullets?

Some of the class characteristics found on a fired bullet are (1) the caliber of the bullet (diameter), (2) the number of lands and grooves, (3) the twist of the rifling (left or right), and (4) the widths of the land and groove impressions.

What is the purpose of test firing a gun?

Firearm examiners perform testing to assess the functioning ability of a firearm. They can test the firearm to determine if it is capable of discharging a cartridge or shotshell.

Why do we need to know the bullet trajectory?

Determine the height of a suspect based upon the bullet trajectory. Bullet analysis or ballistics is an integral component of forensic science. … allows scientists to determine what kind of gun was used, the distance the shooter was from the bullet hole as well as the height of the shooter.