[generally]

Haha!

I was thinking “Do I empty the magazine to make sure he’s dead or do I conserve ammunition in case he has buddies in the area?”

[Little Bill]

I shot Expert with .45 in the Army, if you need more than one round, back to the range.

[bravo whiskey]

Empty the mag. Combat reload one of the two spare mags you carry.

[sparklite2]

I’m thinking the joke is politically correct.
A terrorist is unlikely to be alone, armed with only a rusty knife.
This miscreant won’t be shouting “allah akbar,’ but “Dis be a robbery.”