What Makes Hair A Valuable Piece Of Evidence? The value of hair evidence is related to the variability of hair characteristics between individuals in the population, which can be visualized through the use of comparison microscopy. … This enables the hair examiner to compare the microscopic characteristics of the known and questioned hairs in one
Are Hair Samples Class Evidence? Hair is considered class evidence. Alone (without follicle cells attached), it cannot be used to identify a specific individual. In the best case, an investigator can identify a group or class of people who share similar traits who might share a certain type of hair. Why should the investigator always
How Reliable Is Hair Evidence? Although the science of microscopic hair examination can never result in an identification, that is, conclude that a hair came from one individual to the exclusion of all others, the vast amount of both macroscopic and microscopic information available from hair analysis can provide a strong basis for an association