Unsettled Detective Pikachu - Stop right here now

It's unlikely that it will be used to incriminate you considering how hard it is to get useful DNA out of the majority of a hair strand.

However, I'm quite impressed with this girl. She's really thinking ahead.

Your DNA is on the cells that remain stuck to the part of the hair that was inside the follicle. I don't think they pull hair out of your scalp to make wigs