Regarding the caravan. Start using active denial systems. Especially if that caravan reaches the US border. ISIS likes to push women and children ahead of them as they bum rush defenses.

Crank up the ADS and the human shields will flee, exposing the jihadiis determined to attack.

Won’t that be hilarious to watch.

Two articles on nonlethal crowd control.

https://www.alternet.org/story/151864/6_creepy_new_weapons_the_police_and_military_use_to_subdue_unarmed_people

https://www.wired.com/2006/12/say-hello-to-the-goodbye-weapon/?currentPage=2

In the article it talks about testing ADS with a C-130 and had an effective range of 2 miles. That was in 2006. Wonder what the range is now.