"If this were true, I'd have an ICBM spinning up on a pad at Vandenburg with a five-ton cement warhead right now. Time to squash a bug -- use an intercontinental flyswatter!"
Annihilating him wouldn't allow any forensic confirmation.
We need to capture him alive and put him on trial to keep him from being a martyr.
International criminal proceedings are for gay socialists.
Cruise missiles are for Girl Scouts.
I prefer something that makes a mile-wide crater with a nice big rim that glows in the dark!
Then we can debate how not-quite-as-guilty or a-little-more-guilty-please this toadsquat was, after he is satisfyingly and spectacularly dead.
When people from Peshawar to Beirut see the sky light up in the middle of the night, they'll get the message.