FBI knowingly allowed Osama to charter plane after 9/11

If this is true, and it seems to be, where the hell is the investigation?

FBI knowingly allowed Osama to charter plane after 9/11 | Press Esc:

FBI were aware that Osama bin Laden may have chartered one of the flights that took members of the bin Laden family out of the United States immediate after the 9/11 attacks, yet allowed the planes to depart, new Agency documents reveal.

The formerly confidential documents obtained by Judicial Watch through Freedom of Information Act and ongoing litigation states:

ON 9/19/01, A 727 PLANE LEFT LAX, RYAN FLT #441 TO ORLANDO, FL W/ETA (estimated time of arrival) OF 4-5PM. THE PLANE WAS CHARTERED EITHER BY THE SAUDI ARABIAN ROYAL FAMILY OR OSAMA BIN LADEN…THE LA FBI SEARCHED THE PLANE [REDACTED] LUGGAGE, OF WHICH NOTHING UNUSUAL WAS FOUND.