Legal Question in Criminal Law in Maryland

It depends. You need to provide more information for a proper answer. You have not given any of the fact surrounding the judge's order.

Best of luck.*****The above is for informational purposes only and does not create an attorney-client privilege.******

No. If your grandson were incarcerated, then prisoners may be required to maintain basic hygiene. However, that is an issue of cleanliness, instead of style. If hair is worn in a particular way for religious reasons, then the First Amendment must be considered.

Sometimes hair might have to be cut as a condition of employment, if long hair would pose a danger to the employee.