A warning shot? Why waste a perfectly good round?
Man Charged After Firing Warning Shot
MARSHALLTOWN, Iowa — A Marshalltown homeowner faces felony charges after shooting at a trespasser Sunday afternoon. Officials said the trespasser has been charged with a misdemeanor...
http://www.freerepublic.com/focus/f-news/2758731/posts
Besides, a warning shot could potentially have hurt or killed an innocent bystander.