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Date: Dec. 12, 2025
Contact: newsroom@ci.irs.gov
BOSTON – A Dominican national unlawfully residing in Lawrence has been sentenced in federal court in Boston on drug distribution charges.
Hector Santana Guzman, a/k/a “DJ Black,” was sentenced on Dec. 10, 2025, by United States District Judge Patti B. Saris to 30 months in prison, to be followed by three years of supervised release. The defendant is subject to deportation proceedings upon completion of the imposed sentence. In September 2025, Santana Guzman pleaded guilty to two counts of distribution of and possessing with intent to distribute fentanyl.
During an investigation of the transnational criminal organization 18th Street Gang, Santana Guzman met with a cooperating witness on two dates in June 2024 to sell fentanyl. On June 6, 2024, Santana Guzman sold approximately 50 grams of powder fentanyl to a cooperating witness. Later, on June 25, 2024, Santana Guzman again sold approximately 70 grams of powder fentanyl.
United States Attorney Leah B. Foley; Ted E. Docks, Special Agent in Charge of the Federal Bureau of Investigation, Boston Division; and Thomas Greco, Special Agent in Charge of the Bureau of Alcohol, Tobacco, Firearms & Explosives made the announcement. Valuable assistance was provided by the Massachusetts State Police; U.S. Immigration and Customs Enforcement, Enforcement and Removal Operations; Suffolk County and Middlesex County District Attorney’s Offices; and the Boston, Chelsea, Everett, Falmouth, Lynn, Medford, Nantucket and Revere Police Departments. Assistant U.S. Attorney Fred M. Wyshak III of the Organized Crime & Gang Unit prosecuted the case.
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 Boston is comprised of agents and officers from HSI, FBI, DEA, ATF, USMS, IRS-CI, USPIS, DOL-OIG and DSS, as well as several state and local law enforcement agencies, with the prosecution being led by the United States Attorney’s Office for the District of Massachusetts.
IRS Criminal Investigation (IRS-CI) is the law enforcement arm of the IRS, responsible for conducting financial crime investigations, including tax fraud, narcotics trafficking, money laundering, public corruption, healthcare fraud, identity theft and more. IRS-CI special agents are the only federal law enforcement agents with investigative jurisdiction over violations of the Internal Revenue Code, obtaining a 90% federal conviction rate. The agency has 19 field offices located across the U.S. and 14 attaché posts abroad.