I like it, or tell the next A-hole that picks up a gun and shoots a kid, you'll be fed to gators.

I've got an even simpler solution that doesn't involve any animals

I don't think there are enough gators available to scare them off.
Dopey Joe has let over 2 million unknowns just waltz in across the border in his first 18 months.
He was just complaining about a 10 yr old girl having to go to another state to get an abortion without ever mentioning the fact that she was raped and impregnated by one of his illegals when she was 9 yrs old.
Must have slipped his mind.

Bull sharks would work too.

Or considera USMarine Regiment, it worked wonders during the infamous LA riots when City & State could or would not secure order?