Psalms 64:4-6

⁴That they may shoot in secret at the perfect: suddenly do they shoot at him, and fear not.

⁵They encourage themselves in an evil matter: they commune of laying snares privily; they say, Who shall see them?

⁶They search out iniquities; they accomplish a diligent search: both the inward thought of every one of them, and the heart, is deep.