what would you do if you came upon a struggle like the one pat and licia encountered?s it take to be a hero? >> i didn't have time to think about my own safety. i didn't have time. it was too important. >> i don't feel like a hero. when you have five kids, and when you get through each day, it's heroic. >> andrew lee gray was convicted, given two life sentences for attempted murder, and aggravated assault. though the encounter has been hard on sharon gillespie, she exhibited astounding courage and resolve throughout the blood-chilling fight. >> she's alive. she's well. she's good. miss gillespie is an awesome woman herself. and she's got a big heart, too. >> the kind of generous heart shared by pat and licia. but for licia, getting involved might have been all in a day's work. >> she somehow got him. i just got control of the man. and helped to handcuff him. and then i went about finishing checking out my groceries. >>> next up on "caught on camera: what would you do?" a knockout punch in a pizza joint has everyone looking -- away. >> if one person would have stood up,