2d 626 (1972) (quoting United Sixes v. •Stone, 429 F.2d 138, 140 (24 Cir.1970)); In re Grand Jury Subpoena for the Prod. of Certain New York State Saks Tax Records, 382 F.Supp. 1205, 1206 (W.D.N.Y.1974) (quoting Stone. 429 F.2d at 140). In accordance with its broad mandate to investigate possible criminal a