Here's a link. Don't really know the facts, but it sounds like the guy left the safety of his home and used a firearm to threaten a woman who was lost and not doing anything harmful or threatening.
http://thetruthaboutguns.com/2010/12...ers-up-in-arms
Reminds me of a mean 90+ year old neighbor who would run out of her house and scream at little kids walking on the sidewalk if they stepped on her grass.