South Dakota Man Sentenced to 15 Years in Federal Prison for Firearm and Drug Charges

COUNCIL BLUFFS, Iowa – A Sioux Falls, South Dakota man and Guatemalan national was sentenced on November 26, 2024 to 15 years in federal prison for possessing a distribution quantity of methamphetamine and possessing a firearm as a felon and in relation to his drug trafficking.

According to public court documents, Johny Fernando Diaz-Mendez, 47, was arrested in March 2024 and found in possession of a firearm in his waistband and a large quantity of methamphetamine.

After completing his term of imprisonment, Diaz-Mendez will be required to serve a five-year term of supervised release. There is no parole in the federal system.

United States Attorney Richard D. Westphal of the Southern District of Iowa made the announcement. This case was investigated by Iowa Division of Narcotics Enforcement and the Iowa State Patrol.

This case is part of Project Safe Neighborhoods (PSN), a program bringing together all levels of law enforcement and the communities they serve to reduce violent crime and gun violence, and to make our neighborhoods safer for everyone. On May 26, 2021, the department launched a violent crime reduction strategy strengthening PSN based on these core principles: fostering trust and legitimacy in our communities, supporting community-based organizations that help prevent violence from occurring in the first place, setting focused and strategic enforcement priorities, and measuring the results. For more information about Project Safe Neighborhoods, please visit Justice.gov/PSN.