If you have a truck which has tool boxes, invest in a rotwiller(sp) or a pit.
Train them to be mean to anyone who is not "Ok'd" by you.

Park the truck.

tie the dog to the bed of the truck.

Post a cpl warning signs around the truck.

Lay expensive tools all over the bed of the truck.

Set up lawn chair about a block away.

Get out video camera.

Enjoy the show.