SHERMAN, Texas – Two North Texas men have been sentenced to federal prison for trafficking fentanyl in the Eastern District of Texas, U.S. Attorney Jay R. Combs announced. Heath Darrian Denson, 28, of Dallas, pleaded guilty to conspiracy to distribute and possess with intent to distribute fentanyl.
He was sentenced to 135 months in federal prison by U.S. District Judge Amos L. Mazzant, III, on July 28, 2026.
Tyson Lamar Johnson, also known as TY or TeeWhy, 38, of Plano, pleaded guilty to conspiracy to distribute and possess with intent to distribute fentanyl and possession of a firearm in furtherance of a drug trafficking crime. Johnson was also sentenced to 135 months in federal prison by Judge Mazzant on July 28, 2026.
According to information presented in court, Denson and Johnson were part of a drug trafficking conspiracy responsible for distributing thousands of counterfeit oxycodone pills laced with fentanyl throughout the Dallas-Fort Worth area, including the Eastern District of Texas. Johnson was operating a trap house on McCallum Avenue in Dallas.
During a search of the house, a firearm used in support of the illicit drug trafficking conspiracy was found.
Texoma HIDTA Director Keith Brown stated, "The scourge of fentanyl has caused devastation and destruction across all of our communities. Trap houses filled with drugs and guns aren’t just figments of Hollywood’s imagination. They are real, tangible, and active in all of our neighborhoods.






