30 Whoso kills any person, the murderer shall be put to death by the mouth of witnesses: but one witness shall not testify against any person to cause him to die.
Numbers 35:30 Cross References - UKJV
Numbers 35:16
16 And if he strike him with an instrument of iron, so that he die, he is a murderer: the murderer shall surely be put to death.
Deuteronomy 17:6-7
6 At the mouth of two witnesses, or three witnesses, shall he that is worthy of death be put to death; but at the mouth of one witness he shall not be put to death.
7 The hands of the witnesses shall be first upon him to put him to death, and afterward the hands of all the people. So you shall put the evil away from among you.
Deuteronomy 19:15
15 One witness shall not rise up against a man for any iniquity, or for any sin, in any sin that he sins: at the mouth of two witnesses, or at the mouth of three witnesses, shall the matter be established.
Matthew 18:16
16 But if he will not hear you, then take with you one or two more, that in the mouth of two or three witnesses every word (o. rhema) may be established.
John 7:51
51 Does our law judge any man, before it hear him, and know what he does?
John 8:17-18
2 Corinthians 13:1
1 This is the third time I am coming to you. In the mouth of two or three witnesses shall every word (o. rhema) be established.
1 Timothy 5:19
19 Against an elder receive not an accusation, but before two or three witnesses.
Hebrews 10:28
28 He that despised Moses' law died without mercy under two or three witnesses:
Revelation 11:3
3 And I will give power unto my two witnesses, and they shall prophesy a thousand two hundred and threescore days, clothed in sackcloth.