תְּאַבֵּד֮ דֹּבְרֵ֪י כָ֫זָ֥ב אִישׁ־דָּמִ֥ים וּמִרְמָ֗ה יְתָ֘עֵ֥ב ׀ יְהוָֽה׃
說謊的人,你必使他們滅亡;嗜血和詭詐的人,為永恆者所憎惡。
Ibn Ezra
You destroy... the man of blood and deceit (אִישׁ־דָּמִים וּמִרְמָה - ish damim u-mirmah): This is the slanderer/talebearer (ha-rakhil). Similar to (Jeremiah 9:7): "Their tongue is a sharpened arrow; it speaks deceit (mirmah)."
Radak
Thou shalt destroy them that speak lies: – Thou shalt destroy them from before Thee, and so