Live ammo would greatly reduce repeat offenders.
I am free Next Monday thru Thrusday.....
The border has become wussified. These people make demands and we immediately respond with a platoon of lawyers to help them. Firearms will bring just more lawyers, law suits , and anti-1st Amendment demonstrations by bleeding hearts.
OTOH, tear gas, flash-bangs, dogs, concertina wire will do the job just fine. You’d only have to deploy them ONCE.