According to Antonio Cassese’s book International Law, as head of state, the president of a national in this case Nicolas Maduro of Venezuela has immunity in his country and his local courts including United States courts as a president of a foreign nation and governing standards rules of international law and the United Nations. You can ask the dignitaries of the embassies, the premonition that it he was trafficking drugs with his government won’t be proven in court, and the case should be declared null, a witness from his gov’t doesn’t hold substantial evidence to prosecute him in a court and less in the U.S., it should have been in a Caracas court which is not a foreign court like in New York without jurisdiction. Any judge, prosecutors, and attorney general knows that’s not possible under international standards.