The victims families deserve an independent investigation, because both sites were murder scenes and the evidence should not have been tampered with.  If you wonder about why the secrecy behind that horrible day visit st911.org.  Seek the the truth, Boycott war profiteers and support the troops by bringing them home now. PEACE P.S Research PNAC, Secondly, determine if buildings can fall at freefall speed without the use of explosives.