On this edition of Hero of the Day, Cam Edwards shares a story from Nashville, Tennessee where a homeowner awoke to the sound of knocking in the middle of the night. The homeowner armed himself and went to investigate the noise when he saw an intruder coming in through the window. He fired at the suspect who fired back then fled. No one was injured, and the alleged intruder is now in custody. Originally aired 5/12/2011.