I would draw the line at the use of mustard or poison gas...
Acceptables include mines, electrofied wire, rabid dogs, and remote-controlled quad 50s...
“US expands militarized zones to 1/3 of southern border, stirring controversy”
Classic leftist projection. What is “stirring Controversy”? Publishing an article about a policy most people would not know about if not for the AP article. So the AP is stirring the controversy because they hate America first, and they blame the “controversy” on the US military.