Witness: Required to Throw the First Stone in Executing the Sentence

Instead, you must surely kill him. Your hand must be the first against him to put him to death, and then the hands of all the people.

…you must bring out to your gates the man or woman who has done this evil thing, and you must stone that person to death. …

They dragged him out of the city and began to stone him. Meanwhile the witnesses laid their garments at the feet of a young man named Saul.