Chapter 1
Preserving the frozen moment
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Chapter 2
The invisible world of trace evidence
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Chapter 3
Decoding the biological blueprint
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Chapter 4
Toolmarks, digital trails, and ballistics
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YOUR GOAL
Master of The science of crime scenes
Ch 4 · Toolmarks, digital trails, and ballistics
mankai Investigators use your smartwatch's hidden GPS data to trace your exact daily routes.
renaissanceman Forensic Ballistics
Spinning through the barrel leaves a steel signature, matched side-by-side under the lens!
renaissanceman Deleting a file from a phone or computer rarely erases it from existence.
Glossary
ballistics (noun)
The study of the flight, behavior, and effects of projectiles. Calvin Goddard pioneered this forensic field in 1929 to investigate the St. Valentine's Day Massacre.
The study of the flight, behavior, and effects of projectiles. Calvin Goddard pioneered this forensic field in 1929 to investigate the St. Valentine's Day Massacre.
Quiz
What are the microscopic scratches left on a bullet by a gun barrel called?
Quiz
What do forensic examiners use to capture high-detail molds of toolmark impressions?
Fun Fact
Bullet signatures: No two firearms, even of the exact same model made consecutively, leave identical scratches on a bullet.
Quiz
What spiral features inside a gun barrel cause a bullet to spin for accuracy?
Quiz
What instrument do ballistics experts use to view two bullets side-by-side?
Quiz
Which smart device data has increasingly been used to verify alibis in modern cases?
Quiz
Why is a deleted file often still recoverable by digital forensic examiners?