The prosecutor can prove that the hair was pulled from the victim's hair because follicular tissue is attached to hair tissue.
Hair tissue is generally attached to follicular tissue from the place the hair grows out of.
The follicular tissue can be tested to see if it is from the victim's hair and if it is, that would be the evidence that the hair pulled was actually from the victim's hair and was done by the suspect.
Find out more on follicular tissue at https://brainly.com/question/26336479.