Then Judge Michael Mukasey (later GWB attorney general) tried to keep the tapes secret, but some were linked to the New York Times.
Too crazy to be believed? Then read these NY Times articles from 1993:
Tapes in Bombing Plot Show Informer and F.B.I. at Odds (10/27/93)
Tapes Depict Proposal to Thwart Bomb Used in Trade Center Blast (10/28/93)