USA flag means the homeowner is armed
You know what they say about people who hand US flags on their front porch, right? They’re armed. That might not always be the case, but this particular burglar didn’t care. If a home had an American flag on the front porch, the home was off-limits.
Most burglars don’t come into homes with guns blazing. At most, they have crowbars and blunt objects to break into homes. However, if they think that they could find themselves face-to-face with an armed homeowner, they might not want to take the risk. This burglar said that it didn’t matter if the home was empty or not. The symbol of freedom was more than enough to freak him out.