What if you indirectly aided in killing people? For example I maintained the system that programmed targets for missiles while I was in the Navy. Those missiles, I know for a fact, killed people. Would I be caught up?
Simialrly, I'm at least partly responsible for every enemy death in the last twenty five years of war...
I recommend cultivating a sinister handlebar mustache, a hunchbavk and a diabolical laugh.
If you have the dream where the waves of blood roll over you...
Learn to surf