This could have gone REALLY bad. I don't know what the father could have done had he been armed, but he should have taught his kids how to react when strangers come up to your house asking for weed or just a smoke. This is the oldest trick in the book.
http://www.ajc.com/news/crime--law/...ing-attempted-robbery/YxIjI0g9bbGQe7NFbQRK6I/
http://www.ajc.com/news/crime--law/...ing-attempted-robbery/YxIjI0g9bbGQe7NFbQRK6I/