"Spob" wrote:

Would it be possible to build a gizmo that could be surreptitiously aimed
at the offending stereo system to fry some crucial components?

Fry?...don't think so. However, take a look at this:

http://www.signonsandiego.com/uniont...1b9cruise.html

http://www.atcsd.com/site/content/view/25/35/

Bob