Haitham, Walters and Ensign Joshua Kaleb Watson, 23, of Enterprise, Alabama, were killed when Saudi 2nd Lt. Mohammed Saeed Alshamrani opened fire with a legally purchased Glock 45 9mm handgun in a classroom building, according to the FBI.

Haitham, Walters and Ensign Joshua Kaleb Watson, 23, of Enterprise, Alabama, were killed when Saudi 2nd Lt. Mohammed Saeed Alshamrani opened fire with a legally purchased Glock 45 9mm handgun in a classroom building, according to the FBI.