cKinney 2002). Courts have defined "agent" to include a defendant's co-conspirators "under certain circum- stances." Chrysler Capital Corp. v. Cen- tury Power Corp., 778 F.Supp. 1260, 1266 (S.D.N.Y.1991) (citing Lehigh Valley In- dus., Inc. v. Birenbaum, 389 F.Supp. 798, 806-07 (S.D.N.Y.1975), aff'd, 527 F.2d 8