&gt; I know nothing of Brazilian law, but in America, criminals have rights, including the right to privacy.<p>I think your post rests on uncharitably interpreting what he means by absolute rights. Your post itself is a demonstration that the right to privacy is not absolute - if the criteria you describe are met, a wiretap can be permitted. He was talking about the fundamental question of whether or not a state has the right to set and apply those criteria (at least, within reasonable limits) within its borders.