BOTANY

Detailed explanation-1: -Hair is considered class evidence and is useful in backing up other circumstantial evidence, such as by placing someone at the crime scene.

Detailed explanation-2: -A hair found at a crime scene is considered CLASS EVIDENCE because several people may have hair that looks similar to the evidence hair – a hair’s appearance is NOT unique to one person. *in fact, one person may have several different looking hairs growing on their head.

Detailed explanation-3: -Hair is considered class evidence. Alone (without follicle cells attached), it cannot be used to identify a specific individual. Hair can easily be left behind at a crime scene. It can also adhere to clothes, carpets, and many other surfaces and be transferred to other locations.

Detailed explanation-4: -Like hair, fibers are considered class evidence. Fibers have probative value because they can create connections, or associations. For example, a suspect may deny he was ever in a particular place or ever in contact with a particular person.

Detailed explanation-5: -Class evidence consists of substances such as blood and hair, which can be used to place an individual in a general class but cannot be used to identify an individual.