eces of evidence" because "[s]uch a blanket request implicates all of the problems associated with a classic 'fishing expedition"); United States v. Chen De Yian, No. 94 CR. 719 (DLC), 1995 WL 614563, at *2 (S.D.N.Y. Oct. 19, 1995) (denying motion for Rule 17(c) subpoena seeking "all records . . . pertaining