בְּ֭רָכוֹת לְרֹ֣אשׁ צַדִּ֑יק וּפִ֥י רְ֝שָׁעִ֗ים יְכַסֶּ֥ה חָמָֽס׃
Blessings are upon the head of the righteous; but the mouth of the wicked concealeth violence.
Rashi on Proverbs
but violence shall cover the mouth of the wicked The violence shall cover their mouths and kill them.