A shell around this size would take care of them and the car.
http://www.schoutenranch.com/miscboat/gun5.JPG
If it were possible.
One of the most fuked up things in our increasingly PC society is shooting one or more of the dirtbags in question more than likely you will land you in jail, or have to pay their families off in a civil suit.
I cannot, for the life of me, understand why you aren't allowed to defend your property against crime with any kind of force.
Brian
When guns are outlawed, ony outlaws will have guns.
Criminals come in a shapes, sizes, and colors BTW.