A wonderful article. But they had one thing incorrect: they know the identity of the other Marine who assisted Staff Sergeant Karnes. His name is Jason Thomas. After the attacks, he and his family moved to Ohio, which is why it was so hard to identify him.
Sergeant Jason Thomas at Ground Zero
Right you are. Thomas has stayed well under the radar, but he and his family were actually featured on Extreme Home Makeover several years ago too, so the author didn’t really dig much.