In the world's system, while one may be presumed innocent until proven guilty, yet condemnation pushes many to prefer the mute mercy of the dead to the clamoring execration of the living.
In upholding the law, it is extremely hard for the head to blind justice with mercy. In exercising kindness, it is very difficult for the heart to mute mercy with justice.
For judgment is without mercy to him who has shown no mercy. Mercy triumphs over judgment. (James 2:13)
Therefore you shall not wrest justice: you shall not respect persons; neither shall you take a bribe; for a bribe does blind the eyes of the wise, and pervert the words of the righteous. (Deuteronomy 16:19)