False witnesses did rise up; they laid to my charge things that I know not (comp. Psalms 27:12); literally, malicious, or unrighteous witnesses (see Exodus 23:1). It is not probable that witnesses in a court are intended.
David's calumniators accused him privately to Saul of "seeking his hurt" (1 Samuel 24:9), and so stirred Saul up against him (1 Samuel 26:19). By what is here said, they appear to have accused him to his face, and to have endeavoured to extort from him a confession of guilt.