What is a safe booby trap with paint or somethinhg for people breaking into my car,?

I have my car broken into constantly n want to rig a trap in the glove box to spray paint to see who keeps doing it and make them stop. Any ways to do it?What is a safe booby trap with paint or somethinhg for people breaking into my car,?
wire a radio shack color cam inside of a dash mounted compass,get the varmint on a dvd burnerWhat is a safe booby trap with paint or somethinhg for people breaking into my car,?
car alarm
are you retarded? you have been watching too much ';wile e coyote';