Lucky for you, it’s also never been more convenient to secure your digital info. Apps are freely available that let you mask your most important information; privacy-centered operating systems can protect your browsing habits; and ditching your data temporarily is as simple as using a web app.
It’s quite legal for law enforcement to ask for “voluntary” cooperation. Anyone who follows criminal-procedure cases, however, knows that “voluntary” in legalese does not mean what ordinary people think it means. Supreme Court caselaw makes clear that officers may block an exit and ask for ID or permission to search. They aren’t required to tell the individual stopped that he or she may refuse, and they have every incentive to act as if refusal may result in arrest.