nduct is a central issue in the case, the work-production protection does not apply. See, e.g., In re John Doe, 662 F.2d 1073, 1080 (4th Cir. 1981); Charlotte Motor Speedway, Inc. v. International Ins. Co., 125 F.R.D. 127, 130 (M.D.N.C. 1989). E. Rule 6(e) — Grand Jury Secrecy Court-Authorized Disclosure Not C