UNITED STATES OF AMERICA, APPELLEE, v. CARL HALLOCK, DEFENDANT, APPELLANT. No. 90-2099.United States Court of Appeals, First Circuit.Heard March 6, 1991. Decided August 6, 1991. Page 37 Richard Abbott with whom Jeffrey A. Denner and Denner Associates were on brief, Newton, Mass., for defendant, appellant. Margaret D. McGaughey, Asst. U.S. Atty., with whom Richard S. […]