Lawmakers marked the 14th anniversary of the Sept. 11, 2001 attacks by remembering another tragedy that occurred on the same day three years ago: the terror attack on the U.S. diplomatic compound in Benghazi.

Just one day after the House Select Committee on Benghazi was stymied by a witness who invoked his Fifth Amendment rights, Chairman Trey Gowdy recalled the four victims of the attack he has been charged with investigating.