Deuteronomy 17:6-8

Living Bible

⁶ However, never put a man to death on the testimony of only one witness; there must be at least two or three. ⁷ The witnesses shall throw the first stones, and then all the people shall join in. In this way you will purge all evil from among you.

⁸ “If a case arises that is too hard for you to decide—for instance, whether someone is guilty of murder when there is insufficient evidence, or whether someone’s rights have been violated—you shall take the case to the sanctuary of the Lord your God,