The Mosaic Law requires the witnesses to throw the first stone and I have not personally witnesses anyone doing that.. The Mosaic Law requires the accused people to be brought before a judge to do a thorough investigate and that none is to be put to death without at least two or three witness. The Mosaic Law requires that if a witness turns out to be false, then what would happen to the person that they falsely witnesses against is done to them instead. Moreover, Jesus gave himself to pay the penalty for our sins, so it would be unjust to enforce a penalty that has already been paid.If you earnestly believe you are to keep the Mosaic Law, why don't you stone sexual deviants?
Even if everything I said above were incorrect and even if I were a complete hypocrite and the greatest sinner in the world, then that would just mean that I would need to repent, not that I was wrong about the fact that followers of the God of Israel should follow what He has commanded in accordance with the example that Christ set for us to follow.