Booby traps are mostly illegal. The macro solution to widespread poverty and petty theft is not found in doing petty mean things to impoverished thieves, despite the fun youtube videos that result.

I wouldn't call it a booby trap. It's just spraying them with some stuff. They can run. They'll just look ridiculous and smell nasty and hopefully learn a lesson.

A micro solution to protect my own property would be nice until the macro solution people get their act together.

Also, same for tow trucks. They should call the number on the dashboard -- which does the least damage to the car and saves the most peoples' time, and is therefore the optimal solution -- before attempting to tow or they're in for a nice fart.