567 A.2d 553 THE STATE OF NEW HAMPSHIRE v. CAMERON VANDERHEYDEN No. 88-367Supreme Court of New Hampshire Grafton Decided December 28, 1989 1. Grand Jury — Proceedings — Secrecy Although a non-prejudicial irregularity in grand jury procedure is generally insufficient to warrant dismissal, no indictment may stand where an unauthorized person has invaded the secrecy […]