Deuteronomy 17:4
and it is told you and you hear of it, then you shall inquire diligently, and if it is true and certain that such an abomination has been done in Israel,
Deuteronomy 13:12-14
"If you hear in one of your cities, which the LORD your God is giving you to dwell there,
Deuteronomy 19:18
The judges shall inquire diligently, and if the witness is a false witness and has accused his brother falsely,
Proverbs 25:2
It is the glory of God to conceal things, but the glory of kings is to search things out.
John 7:51
"Does our law judge a man without first giving him a hearing and learning what he does?"