PLANO, Texas — An Oklahoma man has been sentenced to federal prison following an investigation by the Homeland Security Task Force in the Eastern District of Texas, according to U.S. Attorney Jay R. Combs.
Steven Mark Moore, a 27-year-old from Yukon, Oklahoma, pleaded guilty to the straw purchase of firearms and was sentenced to 60 months in federal prison by U.S. District Judge Sean D. Jordan on May 28, 2026. The investigation, which began in 2022, revealed that firearms purchased at various pawn shops and gun shows were linked to crimes in the United States and deadly cartel-related shootings in Mexico. Moore was identified as a source of funding used to purchase the firearms from legitimate sources to illegally resell them at inflated prices to individuals involved in criminal activities.
This case is part of the Homeland Security Task Force (HSTF) initiative established by Executive Order 14159, Protecting the American People Against Invasion. The HSTF is a whole-of-government partnership dedicated to eliminating criminal cartels, foreign gangs, transnational criminal organizations, and human smuggling and trafficking rings operating in the United States and abroad. Through historic interagency collaboration, the HSTF directs the full might of United States law enforcement towards identifying, investigating, and prosecuting the full spectrum of crimes committed by these organizations, which have long fueled violence and instability within U.S. borders…