Extreme Prejudice 

A single-minded action -- usually in reference to an aggressive act of killing something or someone.

"You need to wipe out the enemy with extreme prejudice."

Extreme Prejudice by Luddz May 19, 2015

terminate with extreme prejudice 

(verb) Kill. Allegedly a bit of CIA humor.

Agent: "If we're pulling out, what will we do with the spies and informers we've been using? They know too much."

Boss: "Terminate with extreme prejudice."

terminate with extreme prejudice by anarcissie May 16, 2008