Deuteronomy 19:18

The judges will thoroughly investigate the matter, and if the witness should prove to be false and to have given false testimony against the accused,

Deuteronomy 13:14

You must investigate thoroughly and inquire carefully. If it is indeed true that such a disgraceful thing is being done among you,

Deuteronomy 17:4

When it is reported to you and you hear about it, you must investigate carefully. If it is indeed true that such a disgraceful thing is being done in Israel,

2 Chronicles 19:6-7

He told the judges, "Be careful what you do, for you are not judging for men, but for the Lord, who will be with you when you make judicial decisions.

Job 19:16

I summon my servant, but he does not respond, even though I implore him with my own mouth.

Treasury of Scripture Knowledge

Summary

Deuteronomy 19:18

And the judges shall make diligent inquisition: and, behold, if the witness be a false witness, and hath testified falsely against his brother;

Diligent

General references

Deuteronomy 5:20

Deuteronomy 25:1

John 7:51

Bible References

Diligent

You must investigate thoroughly and inquire carefully. If it is indeed true that such a disgraceful thing is being done among you,

When it is reported to you and you hear about it, you must investigate carefully. If it is indeed true that such a disgraceful thing is being done in Israel,

He told the judges, "Be careful what you do, for you are not judging for men, but for the Lord, who will be with you when you make judicial decisions.

I summon my servant, but he does not respond, even though I implore him with my own mouth.

General references

You must not offer false testimony against another.

If controversy arises between people, they should go to court for judgment. When the judges hear the case, they shall exonerate the innocent but condemn the guilty.

"Our law doesn't condemn a man unless it first hears from him and learns what he is doing, does it?"