Bible Verses About Witness: Required to cast the first stone in executing sentence

`But thou dost surely kill him; thy hand is on him, in the first place, to put him to death, and the hand of all the people last;

`Then thou hast brought out that man, or that woman, who hath done this evil thing, unto thy gates--the man or the woman--and thou hast stoned them with stones, and they have died.

By the mouth of two witnesses or of three witnesses is he who is dead put to death; he is not put to death by the mouth of one witness;

the hand of the witnesses is on him, in the first place, to put him to death, and the hand of all the people last; and thou hast put away the evil thing out of thy midst.

and having cast him forth outside of the city, they were stoning him --and the witnesses did put down their garments at the feet of a young man called Saul--