Is hair a good source of criminal evidence, explain your answer?

yes

Explanation:

Hair contains DNA of the criminal. DNA is unqiue to everyone, no one is ever simialr in DNA to eachother. So if a hair sample is found, then testing it would provide a great piece of evidence.

yes because if the body is unditfied they can always take a hair sample and run it but if it is the killers they run it to see if it has dna strands and then if they find something they will get the suspect in and take a piece of their hair to see if it is the perfect match

Explanation:

other information encoded in your genes might distinguish you from the others in the group

answerall of the above;