Ok, I should have said, more “deserving of death”, than “guilty”. But maybe on second thought the Rosenbergs were responsible for more American deaths, and more deserving of death themselves. Be that as it may, in a hot war there is less justification (and constitutional “due process”) necessary for the government to take enemy lives than in a cold war.
Even the 5th Amendment has a caveat in this regard: “No person shall be held to answer for a capital, or otherwise infamous crime, unless on a presentment or indictment of a Grand Jury, except in cases arising in the land or naval forces, or in the Militia, when in actual service in time of War or public danger;...”
That’s not entirely applicable to an enemy combatant - it was written more to protect US soldiers, but the founders recognized that some bets are off, in war.
“public danger” certainly covers this situation. I’m not at all surprised certain Leftwingtards, Libertarians and Libertines forgot all about it. They keep pointing to the 5th amendment but they don’t read the whole thing.