Georgia Bureau of Investigation says it appears that's when the officer fired the shots back.

佐治亚州调查局表示，警察似乎就在此时开枪还击。

Then, when the skeleton in the back shot an arrow, it struck the other skeleton's skull.

紧接着，后面的骷髅一箭射出， 正中了另一只骷髅的头骨。