The person who is required to throw the first stone according to the law was the witnesses:
Deuteronomy 17:6But never put a person to death on the testimony of only one witness. There must always be two or three witnesses. 7The witnesses must throw the first stones, and then all the people may join in. In this way, you will purge the evil from among you.
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Now stop and think this through. If the men in the group witnessed her adultery was it because they had first hand knowledge and were also guilty of the same sin?
Also, if the people in the crowd were not witnesses who then could throw the first stone if only a witness could ?
This story raised some legal questions as well as moral ones.
Well, there appears also to have been the issue of selective application of punishment, as the act takes two and the man does not appear to have been brought for punishment.
What about the saying “Everybody must get stoned.” Is that from Deuteronomy or from Proverbs?
I wouldnt be surprised if one of them was the man who committed the act with her.