United States of America v. Santo Leandro Duverge Tejeda, a/k/a “La Niña”

Boston, Massachusetts, criminal defense lawyer represented the Defendant charged with possess with intent to distribute fentanyl.

anto Leandro Duverge Tejeda, a/k/a “La Niña,” 29, was indicted on two counts of distribution of and possession with intent to distribute fentanyl and one count of possession with intent to distribute fentanyl. The defendant will be arraigned in federal court in Boston at a future date. Duverge Tejeda was previously arrested and charged by complaint on Nov. 20, 2025.

According to the charging documents, the defendant distributed fentanyl on four separate occasions in Watertown and Waltham. On the day of his arrest, he allegedly possessed over 400 grams of fentanyl intended for distribution.

The charge of possession with intent to distribute 400 grams or more of fentanyl provides for a sentence of at least 10 years and up to life in prison, at least five years and up to a lifetime of supervised release and a fine of up to $10 million. 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 Ted E. Docks, Special Agent in Charge of the Federal Bureau of Investigation, Boston Division made the announcement today. Assistant U.S. Attorney Andrew A. Caffrey, III of the Narcotics & Money Laundering Unit is prosecuting the case.

The details contained in the charging documents are allegations. The defendant is presumed to be innocent unless and until proven guilty beyond a reasonable doubt in the court of law.