So, the President is legally allowed to just kill anyone, but if anyone is resisting, even just saying “if you kill my uncle’s nephew’s father’s roommate and I will seek revenge”, it’s
18 U.S. Code § 1751 - “Presidential and Presidential staff assassination, kidnapping, and assault,” which covers attempts to kill or inflict harm on the President.
18 U.S. Code § 871 - “Threats against the President and successors to the Presidency,” which criminalizes threats to kill or harm the President.
So, the President is legally allowed to just kill anyone, but if anyone is resisting, even just saying “if you kill my uncle’s nephew’s father’s roommate and I will seek revenge”, it’s
18 U.S. Code § 1751 - “Presidential and Presidential staff assassination, kidnapping, and assault,” which covers attempts to kill or inflict harm on the President.
18 U.S. Code § 871 - “Threats against the President and successors to the Presidency,” which criminalizes threats to kill or harm the President.