Yes: http://www.nytimes.com/2012/04/03/us/justices-approve-strip-searches-for-any-offense.htmlLet's try this from another angle. What exactly can the federal government force it's citizens to do? The that I mean both constitutionally and by force they do without meaningful restraint. Can they subject people to unreasonable search and seizure?
Yes, please refer to Anwar al-AwlakiCan they murder it's citizens?