All of those occured after the Patriot Act kicked in?
September 18, 2001: Letters to Senator Tom Daschle sent carrying Anthrax. Another sent to Senator Patrick Leahy, postmarked October 9.
October 25, 2001: HR 3162 - USA Patriot Act passed by Congress.
October 26, 2001: President Bush signed the USA PATRIOT Act.
December 22, 2001: a Paris-to-Miami flight made an emergency landing in Boston after a Richard Reid tried to blow up his sneakers: a terrorism attempt by way of Get Smart.
October, 2002: For 23 days, from October 2 to October 25, numerous people are killed by Al Fuqra-connected John Allen Muhammad and John Lee Malvo.
Two cases of terrorism occurred after the Patriot Act was signed and implmented into law by the President.
Your major thesis is still completely incorrect.