Name: _________________________________________________ Date: _________________________
Individual Characteristics: Evidence that can be attributed to a single source (e.g., fingerprints, DNA). Class Characteristics: Evidence that can be correlated only to a group.
1. Brown hair
2. Tire tread marks 3. DNA extracted from red hair 4. Fitting together broken pieces of a glass bottle 4. Blood typing (Blood type A, B, AB) 5. Fibers 6. Shoe impression (worn down shoe) 7. Handwriting characteristics
Decide if the evidence is individual or class evidence and explain why it belongs to this group. 1.
Some blond hairs were found on the gloves of a suspected kidnapper who has brown hair. Would they be considered class or individual evidence? Class Individual EXPLAIN: _______________________________________________________________________ 2.
If a restaurant receipt was found torn into four pieces, would the pieces be class or individual evidence? Class EXPLAIN: Individual _____________________________________________________________________ 3.
A piece of duct tape was taken from a victim of a B & E (breaking and entering). A roll of the same brand of duct tape was found at the suspect’s home. Would this be considered class or individual evidence? Class EXPLAIN: Individual