Defenition
Evidence that, if true, directly proves a fact. Also known as testimonial evidence.
Direct evidence.
What is this an example of? Eyewitness account, a confession, or a video recording of the crime.
Direct evidence
This is a certain type of circumstantial evidence that is transferred between people, objects, or the environment during a crime.
Trace evidence
Narrows an identity to a group of persons or things.
Class evidence
What is this an example of? DNA, fingerprints, or a tool mark that can be matched to a specific tool.
Individual evidence.
_____________________ states that "every contact leaves a trace". Examples include hair, fibers, soil, and gun shot residue.
Dr. Edmond Locard's Principle Exchange
Narrows an identity to a single person or thing. This is the "gold standard" in forensics.
Individual evidence
What is this an example of? Blood type, hair color, or fibers from a common brand carpet.
Class evidence
Evidence that requires an inference to be drawn to connect it to a conclusion.
Circumstantial evidence
What is this an example of? A suspect's fingerprint found at the scene. This doesn't directly proves they committed the crime, but it implies they were there.
Circumstantial evidence