Didn’t Woodrow Wilson send Sherman (and Col. Patton) to invade Mex because of Pancho Villa? This seems no different, only Los Zetos is worse.
http://www.pattonhq.com/unknown/chap02.html
In a letter to Beatrice dated May 17, 1916, Patton wrote, “… you are probably wondering if my conscience hurts me for killing a man. It does not. I feel about it just as I did when I got my first swordfish; surprised at my luck.”