The 'FedEx Guy' who stepped in in honor of the flag has spoken out about the event saying he's not a hero. Matthew Uhrin is a veteran who served in the Army for 8 years. When he saw the group of protesters lighting the flag on fire he did what he knew was right and stepped in. You can read more about the story and see his interview here.
You can see the protest in the video below. Warning: Adult Language.