Security contractors Mark Geist, above, and John Tiegen were advisers on the film “13 Hours,” and served as grand marshals.
Security contractors Mark Geist, above, and John Tiegen were advisers on the film “13 Hours,” and served as grand marshals. David Kent Star-Telegram
Security contractors Mark Geist, above, and John Tiegen were advisers on the film “13 Hours,” and served as grand marshals. David Kent Star-Telegram

TMS pit stops: Benghazi heroes serve as race grand marshals

November 08, 2015 08:05 PM