They aren't acting above the law, but within it. They are legally allowed to detain people in certain situations. It's perfectly fair for the law to allow cer

They aren't acting above the law, but within it. They are legally allowed to detain people in certain situations. It's perfectly fair for the law to allow certain groups to do something that's illegal for other groups to do. For example, illegal for people not sanctioned by the government to drive on public roads.