The Patriot Act, established after the attacks of September 11, 2001, is known above all for the provisions that authorize the imprisonment, for an indeterminate period of time and without trial or even indictment, of foreigners simply suspected of terrorism. However, the law also authorizes widespread surveillance of the population. Some of the measures are permanent, while others were adopted for a period of four years. The latter, contained in sixteen articles, expired at the end of 2005.1The Patriot Act does (...) not actually contain all the statutes that are the most inimical to the freedoms and privacy of American…. (shrink)