Deuteronomy 19:15
One witness shall not rise up against a man for any iniquity, or for any sin that he sins. At the mouth of two witnesses, or at the mouth of three witnesses, shall a matter be established.
World English Bible (Public Domain)
In context
Before · Deuteronomy 19:13–14
13Your eye shall not pity him, but you shall purge the innocent blood from Israel that it may go well with you. 14You shall not remove your neighbor’s landmark, which they of old time have set, in your inheritance which you shall inherit, in the land that the LORD your God gives you to possess.
15One witness shall not rise up against a man for any iniquity, or for any sin that he sins. At the mouth of two witnesses, or at the mouth of three witnesses, shall a matter be established.