“While other versions of the Hellfire take out targets in the expected ways — through explosive force or with shrapnel — the R9X crushes or slices a target to death. It is essentially a flying bundle of swords that can kill the occupant of a car without harming people around the vehicle.”
You’ve also forgotten the easiest method - simply bribing (or in this case ordering, as the Secret Service still answers to Biden regardless of the fact that they protect Trump, AFAIK) someone close to him to kill him.
Then there’s the military’s ‘knife bomb’…
How SOCOM’s secret ‘knife bomb’ became the prime weapon for killing hard-to-reach terrorists
You’ve also forgotten the easiest method - simply bribing (or in this case ordering, as the Secret Service still answers to Biden regardless of the fact that they protect Trump, AFAIK) someone close to him to kill him.