SIOUX FALLS, S.D. — U.S. Attorney Ron Parsons announced the results of four landmark federal prosecutions in the past year that have systematically dismantled major drug trafficking organizations (DTOs) connected to the Mexican cartels responsible for flooding South Dakota communities with methamphetamine, fentanyl, and other deadly narcotics. Through coordinated, long-term...

SIOUX CITY, Iowa - A man who conspired to distribute meth and illegally possessed a firearm was sentenced to 131 months’ imprisonment, June 22, in federal court in Sioux City. On February 2, 2026, Seann Mackey, 32, from Mount Pleasant, Iowa pled guilty, admitting that between June 2024 and December...