HARTMAN: Do any of you people know who Charles Whitman was? None of you dumbasses knows? Charles Whitman killed twelve people from a twenty-eight-storey observation tower at the University of Texas from distances up to four hundred yards. ....
Do any of you people know where these individuals learned to shoot? Private Joker?
JOKER: Sir, in the Marines, sir!
HARTMAN: In the Marines! Outstanding! Those individuals showed what one motivated marine and his rifle can do! And before you ladies leave my island, you will be able to do the same thing!
From that book suppository building, sir!
According to Major John L. Plaster, USAR (RET), in his textbook “The Ultimate Sniper”, Whitman engaged targets beyond 1000 yards using his Remington 700 in 6mm Remington.
Plaster provides a map showing Whitman’s position and plots his targets (wounded and killed). One fatal victim, marked with a bit “X”, measures at what appears to be 1400 yards.
Not “four hundred yards”, rather “fourteen hundred yards”.