No details in the article, but from the pictures I'd say they weren't after his jewelry, abstract expressionist art collection, or the keys to the Lambo.
Yeah, not sure he's the poster boy for 2A self-defense, but some dang fine shooting! 5 on 1 and he at least hits all of them and doesn't receive a single hit? Wow. Sent from my SM-G892A using Tapatalk