Frank Siller is walking from the Pentagon to Shanksville, Pennsylvania, to Ground Zero in honor of his brother Stephen, a firefighter who died on 9/11.
WATCH THE FULL EPISODE OF 'WORLD NEWS TONIGHT':
WATCH OTHER FULL EPISODES OF WORLD NEWS TONIGHT:
WATCH WORLD NEWS TONIGHT ON HULU:
#WorldNewsTonight #GroundZero #Pentagon #Shanksville #NeverForget