In January, the United States sent military forces into Venezuela, killing more than 50 people, to capture Nicolás Maduro to face federal charges. By even the most generous reading, that raid was legally questionable. A more honest reading sees it as an illegal use of military force to accomplish what the government itself treated as a criminal prosecution. But at least the administration still pretended that justice was the point. Now even that pretense is disappearing. On Friday, President Trump announced that the U.S. military had killed Héctor Rusthenford Guerrero Flores, the alleged leader of the Tren de Aragua gang, in a strike inside Venezuela. Before the strike, the government treated Guerrero Flores as a criminal suspect. The Justice Department had pursued his indictment and prosecution through lawful tools of the criminal justice system. The administration, after months of killing alleged traffickers without public legal justification, has now taken the next step by using the military to kill an indicted criminal suspect instead of bringing him to trial. The president is abusing military power. Worse, …