Homeland Security Task Force investigation into methamphetamine trafficking leads to lengthy federal prison sentence for Dallas man

SHERMAN, Texas - A Dallas man has been sentenced to federal prison as a result of an investigation by the Homeland Security Task Force in the Eastern District of Texas, announced U.S. Attorney Jay R. Combs.

Juan Jose Montanez, also known as Happy Johnny, 40, pleaded guilty to conspiracy to possess with intent to manufacture and distribute methamphetamine and was sentenced to 90 months in federal prison by U.S. District Judge Amos L. Mazzant on May 12, 2026.

According to information presented in court, in 2021 federal agents began investigating a drug trafficking scheme in the Dallas area and the Eastern District of Texas. The investigation led authorities to Montanez, an employee at a Dallas barbershop, and it was determined he was responsible for trafficking not only methamphetamine, but a large amount of cocaine. In addition to his federal prison sentence, Montanez was ordered to forfeit $131,800 in cash; several bank accounts totaling $126,000; three firearms; and assorted shoes, purses, sunglasses, and a jacket all together estimated to be worth approximately $64,215.

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 our borders. In performing this work, the HSTF places special emphasis on investigating and prosecuting those engaged in child trafficking or other crimes involving children. The HSTF further utilizes all available tools to prosecute and remove the most violent criminal aliens from the United States. HSTF Dallas comprises agents and officers from the Federal Bureau of Investigation (FBI) Dallas Field Office; U.S. Department of Homeland Security, U.S. Immigration and Customs Enforcement, Homeland Security Investigations - Dallas (ICE-HSI); Drug Enforcement Administration (DEA) Dallas Field Division; Bureau of Alcohol, Tobacco, Firearms and Explosives (ATF) Dallas Field Division; Internal Revenue Service, Criminal Investigations (IRS-CD; United States Postal Service, United States Postal Inspection Service (USPIS); Transportation Security Administration, Federal Air Marshal Service (FAMS); United States Secret Service (USSS); Department of State, Bureau of Diplomatic Security (DSS); TEXOMA HIDTA; and U.S. Marshals Service (USMS) Eastern District of Texas with the prosecution being led by Eastern District of Texas Assistant U.S. Attorney Matthew T. Johnson.

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