Deuteronomy:21:4-6
kjv@Deuteronomy:21:4 @ And the elders of that city shall bring down the heifer unto a rough valley, which is neither eared nor sown, and shall strike off the heifer's neck there in the valley:
kjv@Deuteronomy:21:5 @ And the priests the sons of Levi shall come near; for them the LORD thy God hath chosen to minister unto him, and to bless in the name of the LORD; and by their word shall every controversy and every stroke be tried:
kjv@Deuteronomy:21:6 @ And all the elders of that city, that are next unto the slain man, shall wash their hands over the heifer that is beheaded in the valley: