The U.S. authorities announced Wednesday they have targeted 16 individuals and 24 entities suspected of corruption and serious human rights abuses. The ruling freezes U.S. property and money connected to those people and entities.

The U.S. Office of Foreign Assets Control (OFAC) sanctioned four Mexican nationals last week, accusing them of trafficking large quantities of fentanyl and other dangerous substances into the United States on behalf of the Cártel de Jalisco Nueva Generación (CJNG), one of Mexico’s most dangerous criminal organizations.

For the first time ever, U.S. authorities imposed sanctions against a virtual currency exchange for its role in facilitating financial transactions for ransomware actors, the Department of the Treasury’s Office of Foreign Assets Control (OFAC), said in a statement Tuesday.