President Donald Trump has shattered the limits of executive authority by ordering the summary executions of individuals he deems members of designated terrorist organizations. He has also tested the bounds of his presidential powers by creating a secret list of domestic terrorist organizations, established under National Security Presidential Memorandum 7, or NSPM-7.

Are Americans that the federal government deems to be members of domestic terrorist organizations subject to extrajudicial killings like those it claims are members of designated terrorist organizations? The White House, Justice Department, and Department of War have, for more than a month, failed to answer this question.

Lawmakers and other government officials tell The Intercept that the pregnant silence by the Trump administration has become especially worrisome as the death toll mounts from attacks on alleged members of “designated terrorist organizations” in the Caribbean Sea and Pacific Ocean, and as Trump himself makes ever more unhinged threats to imprison or execute his political adversaries.

In early September, The Intercept revealed that elite Special Operators killed the shipwrecked victims of a September 2 attack on a suspected drug smuggling boat. They have since struck more than 20 other vessels. The administration insists the attacks are permitted because the U.S. is engaged in “non-international armed conflict” with “designated terrorist organizations” it refuses to name. Experts and lawmakers say these killings are outright murders — and that Trump could conceivably use similar lethal force inside the United States.

“The Trump Administration is trying to justify blowing small boats out of the water by arbitrarily calling them ‘designated terrorist organizations’ — a label not grounded in U.S. statute nor international law, but in solely what Trump says,” Sen. Tammy Duckworth, D-Ill., told The Intercept. “If Trump is using this justification to use military force on any individuals he chooses — without verified evidence or legal authorization — what’s stopping him from designating anyone within our own borders in a similar fashion and conducting lethal, militarized attacks against them? This illegal and dangerous misuse of lethal force should worry all Americans, and it can’t be accepted as normal.”

For almost a quarter century, the United States has been killing people — including American citizens, on occasion — around the world with drone strikes. Beginning as post-9/11 counterterrorism operations, these targeted killings in Afghanistan, Iraq, Somalia, Yemen, and other nations relied on a flimsy legal rationale that consistently eroded respect for international law. Details of these operations were kept secret from the American people, and civilian casualties were ignored, denied, and covered up. The recent attacks on alleged drug boats lack even the rickety legal rationale of the drone wars, sparking fear that there is little to stop the U.S. government from taking the unprecedented step of military action against those it deems terrorists within the nation’s borders.

The military has carried out 22 known attacks in the Caribbean Sea and eastern Pacific Ocean since September, killing at least 87 civilians. Last week, footage of the September 2 double-tap strike shown to select members of Congress ignited a firestorm. Trump announced, on camera, that he had “no problem” with releasing the video of the attack. This week, he denied ever saying it, in another example of his increasingly unbalanced behavior.

“The public deserves to know how our government is justifying the cold-blooded murder of civilians as lawful and why it believes it can hand out get-out-of-jail-free cards to people committing these crimes,” said Jeffrey Stein, staff attorney with the American Civil Liberties Union’s National Security Project, on Tuesday, as the ACLU, the Center for Constitutional Rights, and the New York Civil Liberties Union filed a........

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