UNITED STATES OF AMERICA, APPELLEE, v. KEVIN MAURICE ROBERTS, APPELLANT. No. 91-2630.United States Court of Appeals, Eighth Circuit.Submitted December 13, 1991. Decided January 3, 1992. Rehearing En Banc Denied February 21, 1992. Page 352 Ilene A. Goodman, St. Louis, Mo., argued, for appellant. Dean Hoag, St. Louis, Mo., argued (Stephen B. Higgins and Dean R. […]