1) No warning shots. If you're firing, it's because you're in fear for your life. Don't waste ammo.
Other than that, good for him.
2) Link, please?
3) Forum rules say you can't post a whole story.
(11) RESPECT COPYRIGHT HOLDERS: We often share news stories with one another. Please remember that these stories are copyrighted material and only post a fair-use excerpt along with a link where the rest of the story may be read.