Moses.

Leviticus 20:10
If a man commits adultery with another man's wife--with the wife of his neighbor--both the adulterer and the adulteress must surely be put to death.

Deuteronomy 22:21-24
she shall be brought to the door of her father's house, and there the men of her city will stone her to death. For she has committed an outrage in Israel by being promiscuous in her father's house. You must purge the evil from among you. . . .

Ezekiel 16:38-40
And I will sentence you to the punishment of women who commit adultery and those who shed blood; so I will bring upon you the wrath of your bloodshed and jealousy. . . .

Ezekiel 23:47
The mob will stone them and cut them down with their swords. They will kill their sons and daughters and burn down their houses.

but.

Matthew 5:17
Do not think that I have come to abolish the Law or the Prophets; I have not come to abolish them, but to fulfill them.

Matthew 19:6-8
So they are no longer two, but one flesh. Therefore what God has joined together, let man not separate." . . .

Matthew 22:16-18
They sent their disciples to Him along with the Herodians. "Teacher, " they said, "we know that You are honest and that You teach the way of God in accordance with the truth. You defer to no one, because You pay no attention to external appearance. . . .