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Unit 1: Evidence
Unit 1 Review of Evidence
| Question | Answer |
|---|---|
| Testimonial Evidence DEFINITION | What is said in court by a competent witness. |
| Testimonial Evidence EXAMPLE | Eyewitness testimony, a DNA expert being called to testify about DNA evidence. |
| Class Evidence DEFINITION | Evidence that points to a group of people, which can narrow down a suspect pool, but not to only 1 person. |
| Class Evidence EXAMPLE | Blood type, hair color, sneaker size, height. |
| Individual Evidence DEFINITION | Evidence that can be related to one single source. |
| Individual Evidence EXAMPLE | Fingerprints, DNA, "puzzle piece" evidence |
| Biological Evidence DEFINITION | Evidence from a living organism |
| Biological Evidence EXAMPLE | Hair, blood, saliva, semen, bones |
| Trace Evidence DEFINITION | Small pieces of evidence |
| Trace Evidence EXAMPLE | Hair, fibers, gunshot residue |
| Conditional Evidence DEFINITION | Circumstances of the crime scene that a person can change and must be noted by the 1st responding officer. |
| Conditional Evidence EXAMPLE | The window was open, the door was unlocked, the body was face down in the living room, a table was overturned. |
| Transient Evidence DEFINITION | Temporary evidence that can change on its own and must be noted by the 1st responding officer. |
| Transient Evidence EXAMPLE | Odors (perfume, gasoline, burning tires), temperatures |
| Pattern Evidence DEFINITION | Evidence that occurs when one object leaves marks on another object |
| Pattern Evidence EXAMPLE | Rifling (scratches) on a fired bullet, tool marks in a door, fingerprints on a window |