Evidently, the mere sight of a gun, even when attached in plain view to the hip of a sworn officer of the law, is just too much stress for some parents to handle.
http://www.guns.com/2013/10/03/scolding-school-tells-cop-wear-gun-uniform-picking-daughter/
http://www.guns.com/2013/10/03/scolding-school-tells-cop-wear-gun-uniform-picking-daughter/