1 Samuel 22:17

And the king said unto the footmen that stood about him, the runners, the members of the guard, who acted also as executioners, Turn, and slay the priests of the Lord, because their hand also is with David, he considered them as taking the part of David against the rightful authority, and because they knew when he fled, and did not show it to me, made no immediate report of the matter. But the servants of the king, possessing more sanity and also more reverence for the servants of the Lord than Saul, would not put forth their hand to fall upon the priests of the Lord. Their refusal makes the heinousness. of Saul's sin all the more conspicuous.