Deuteronomy 17:6
At the mouth of two witnesses or three witnesses they shall be put to death; they shall not die by the mouth of one witness.
Numbers 35:30
Every one striking a soul by the mouth of witnesses, he shall slay the slayer: and one witness shall not testify against a soul to die.
Deuteronomy 19:15
One witness shall not rise up against a man for any iniquity, and for any sin, in any sin which he shall sin; by the mouth of two witnesses or by the mouth of three witnesses the word shall be established.
Matthew 18:16
But if he hear thee not, take with thee yet one or two, that at the mouth of two or three witnesses every word might stand.
2 Corinthians 13:1
This third I come to you. By mouth of two witnesses, and three, shall every word be established.
1 Timothy 5:19
Against an elder receive not an accusation from without, except from two or three witnesses.
Hebrews 10:28
Any one having rejected Moses' law, without compassion dies by two or three witnesses:
John 8:17-18
And also in your law has it been written, that the testimony of two men is true.