In the US, the Bill of Rights gives an absolute right to remain silent; but, like other rights, you can waive it. The courts' idea of "voluntarily waived the ri

In the US, the Bill of Rights gives an absolute right to remain silent; but, like other rights, you can waive it. The courts' idea of "voluntarily waived the right" doesn't match what many people expect ( http://criminal.findlaw.com/criminal-rights/waiving-miranda-rights.html http://criminal.findlaw.com/criminal-rights/waiving-miranda-... , "implied waiver"). And, for an "absolute right," there are a surprising number of exceptions.