GRAND RAPIDS, Mich. - Today, U.S. District Court Judge Gordon J. Quist sentenced defendant Quintin Howell, of Kalamazoo, Michigan, to 15 years in prison. The sentencing concluded a multi-defendant joint investigation conducted by the U.S. Drug Enforcement (DEA), Kalamazoo Valley Enforcement (KVET), Michigan State Police’s Southwestern Enforcement (SWET), Federal Bureau...