Divide his focus.
Disrupt his plan.
Disable his body.
Destroy his will to fight.
I would add, were I yet another one of these fella's who simply adore double-speak rather than simple, sure-fire stuff, three more D's:
But since I am not, here is the Fits method for a cessation of hostilities:
Shoot Him In The-Balls
Clicking the headline link will transport your inquisitive ass to from whence the D-lightful information comes, and thanks to The War on Guns for the link to it.