Deuteronomy 19:18
The judges will investigate thoroughly. If the false witness lies in testifying against his relative,
Deuteronomy 13:14
You must thoroughly investigate and inquire if it is true that this detestable thing exists among you. If it is so,
Deuteronomy 17:4
When it is reported to you or you hear of it, then investigate it thoroughly. When the truth has been established that this detestable thing has been done in Israel,
2 Chronicles 19:6-7
"Pay careful attention to your duties, because you are judging not only for the sake of human beings but also for the LORD and he is present with you as you make your rulings.
Job 19:16
"I call to my servant, but he doesn't respond, even though I beg to him earnestly.