In the days since the shooting, Kendra Scott’s name has become a lightning rod for a country already divided over guns, self-defense, and how far a parent can go to protect a child. Supporters see a mother walking into a nightmare: a grown man hiding under her 13-year-old’s bed in the dead of night, a split-second choice made in fear and fury. Her own words to police — “I did what I had to do” — have been repeated like a grim mantra by those who insist any parent might have done the same.