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Firearm Evidence Collection

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Questions and Answers

What is the primary challenge in analyzing recovered projectiles?

Most recovered projectiles are damaged when they strike a target. (correct)

Determining the caliber and manufacturer of the projectile.

Identifying firing pin and breechblock impressions on the projectile.

Comparing the recovered projectile with an undamaged one.

What does the computer-based algorithm provide for the analysis of recovered projectiles?

A subjective visual comparison with an undamaged projectile.

A reconstruction of the projectile's path before striking the target.

An objective mathematical analysis based on contour maps. (correct)

A comparison of the projectile's markings with a database of known firearms.

What is the primary purpose of analyzing cartridge casings?

To compare the extractor and ejector marks with a database.

To identify the manufacturer of the ammunition.

To determine the type of firearm used during the crime. (correct)

To analyze the firing pin and breechblock impressions.

Which of the following is NOT mentioned in the text as a unique marking that can be produced on a spent cartridge casing?

Bullet striations Signup and view all the answers

What information do headstamp markings provide?

The caliber and manufacturer of the cartridge. Signup and view all the answers

How does the computer-based algorithm improve the analysis of recovered projectiles?

It improves the validity and reliability of the evidence. Signup and view all the answers

Which of the following statements is NOT true based on the information provided in the text?

The computer-based algorithm compares recovered projectiles with a database of known firearms. Signup and view all the answers

What is the purpose of analyzing firing pin and breechblock impressions on spent cartridge casings?

To provide information about the type of firearm used. Signup and view all the answers

Which of the following statements is true based on the information provided in the text?

The analysis of cartridge casings involves identifying the caliber and manufacturer of the cartridge. Signup and view all the answers

How does the analysis of recovered projectiles and cartridge casings help in investigating a crime?

It provides information about the type of firearm used during the crime. Signup and view all the answers