The Further Adventures of Robinson Crusoe by Daniel Defoe Chapter 4 Page 55

nothing is more certain than that, as they saw no man near them, so they had never heard a gun in all their lives, nor so much as heard of a gun; neither knew they anything of killing and wounding at a distance with fire and bullets: if they had, one might reasonably believe they would not have stood so unconcerned to view the fate of their fellows, without some apprehensions of their own.

Our two men, as they confessed to me, were grieved to be obliged to kill so many poor creatures, who had no notion of their danger; yet, having them all thus in their power, and the first having loaded his piece again, resolved to let fly both together among them; and singling out, by agreement, which to aim at, they shot together, and killed, or very much wounded, four of them; the fifth, frightened even to death, though not hurt, fell