I might hit them in the head with a baseball bat. But it's not quite worth shooting someone over. Unless they got uppity.
http://usnews.nbcnews.com/_news/2013/02/05/16850151-cops-texas-couple-fatally-shot-in-argument-over-dog-feces?lite=&lite=obnetwork
http://usnews.nbcnews.com/_news/2013/02/05/16850151-cops-texas-couple-fatally-shot-in-argument-over-dog-feces?lite=&lite=obnetwork