Scandal Inside the FBI: Did G-Men Miss the Boat on 9-11?.
WASHINGTON -- NewsMax.com has learned that active FBI Special Agent Robert Wright is about to blow the whistle on his superiors for hindering investigations that might have prevented the terrorist attacks of September 11. Judicial Watch, the public interest law firm, scheduled, then postponed, a press conference for Wednesday where Wright, cloaked in anonymity until now, was going to tell the whole story.(more at link)
BTW, I vaguely remember a thread about a possible whistleblower back in the Clinton days before the transition to the Bush administration. I think this might have been him because I recognized his name.