BOSTON — This is an official press release from the U.S. Department of Justice (USAO - Massachusetts), published as received.
BOSTON – A Brazilian national, unlawfully residing in Milford, Mass., has been charged for allegedly dealing firearms without a license. Specifically, the defendant allegedly sold firearms, including a ghost gun to a confidential informant.
Caua Da Silva, 21, was charged in federal court in Worcester with one count of engaging in the business of dealing in firearms without a license.
According to the charging documents, beginning in July of 2025, an investigation began into Da Silva as a potential source of illegal firearms sales in Massachusetts. As part of the investigation, it was determined that Da Silva is not lawfully present in the United States. Between November of 2025 and April 21, 2026, Da Silva sold firearms to a confidential informant on several different occasions. One of the firearms that Da Silva sold was a privately manufactured firearm, or a “ghost gun.”
The charge of unlicensed dealing in firearms provides for a sentence of up to five years in prison, three years of supervised release and a fine of $250,000. The defendant is subject to deportation upon completion of any sentence imposed. Sentences are imposed by a federal district court judge based upon the U.S. Sentencing Guidelines and statutes which govern the determination of a sentence in a criminal case.
United States Attorney Leah B. Foley and Thomas Greco, Special Agent in Charge of the Bureau of Alcohol, Tobacco, Firearms & Explosives, Boston Field Division made the announcement today. Valuable assistance was provided by Homeland Security Investigations, Massachusetts State Police, the Milford Police Department, Worcester Police Department, Marlborough Police Department and the Hudson Police Department. Assistant U.S. Attorney Zachary Stendig of the Worcester Branch Office is prosecuting the case.
This case was investigated and prosecuted by the Boston Homeland Security Task Force (HSTF) as part of Operation Take Back America. HSTFs, which were established by President Trump in Executive Order 14159, Protecting the American People Against Invasion, are joint operations led by the Department of Justice and the Department of Homeland Security. Operation Take Back America is a nationwide federal initiative that marshals the full resources of the Department of Justice to repel the invasion of illegal immigration, achieve the total elimination of cartels and transnational criminal organizations, and protect our communities from the perpetrators of violent crime. Operation Take Back America streamlines efforts and resources from the Department’s Organized Crime Drug Enforcement Task Forces and Project Safe Neighborhood.
The details contained in the charging document are allegations. The defendant is presumed to be innocent unless and until proven guilty beyond a reasonable doubt in the court of law.
