Killing an American makes you a terrorist*. Killing a gook makes you a hero.Read more: http://www.sfgate.com/cgi-bin/article.cgi?f=/n/a/2010/02/22/national/a050905S81.DTL&tsp=1#ixzz0gHtWz7oP
Your Dad's a hero because he could have killed someone, and this guy is a hero because he happened to kill someone. What's the difference?
Pretty simple stuff, really.
*(Or patriot who went a little too far...depends on your skin tone and/or religion. Dirka dirka.)