" it hasn't happened; in Times Square, nor at stop lights, nor in shopping centre parking lots."

Google impaired folks deserve our sympathy and understanding, rather than being scorned and told to JFGI or JFBI.

https://www.google.ca/#q=road+rage+gun

http://www.bing.com/search?q=road+rage+gun&qs=n&form=QBLH&sp=-1&ghc=1&pq=road+rage+gun&sc=1-13&sk=&cvid=4CAF1461445541FD8A8EA497FDFDA8D0