Proverbs 1:18
"And they lay wait for their own blood; they lurk privily for their own lives."
Cross References (ranked by relevance)
Psalm 9:16
The LORD is known by the judgment which he executeth: the wicked is snared in the work of his own hands. Higgaion. Selah.
Esther 7:10
So they hanged Haman on the gallows that he had prepared for Mordecai. Then was the king’s wrath pacified.
Proverbs 28:17
A man that doeth violence to the blood of any person shall flee to the pit; let no man stay him.
Psalm 55:23
But thou, O God, shalt bring them down into the pit of destruction: bloody and deceitful men shall not live out half their days; but I will trust in thee.