Deuteronomy 19:12-16

then the elders of his city shall send men and take him from there, and hand him over to the avenger of blood, so that he may die.

You shall not pity him, but you shall eliminate the guilt for the bloodshed of the innocent from Israel, so that it may go well for you. Laws of Landmark and Testimony

“You shall not displace your neighbor’s boundary marker, which the ancestors have set, in your inheritance which you will inherit in the land that the Lord your God is giving you to possess.

“A single witness shall not rise up against a person regarding any wrongdoing or any sin that he commits; on the testimony of two or three witnesses a matter shall be confirmed.

If a malicious witness rises up against a person to testify against him of wrongdoing,