One told David. —This is no doubt the meaning, but the preposition has dropped out of the Hebrew text, leaving it unintelligible, …

Ahithophel was David's choicest friend, companion, and counsellor, yet he had failed him in his time of need. David could use the weapon of all-pra…

And [one] told David
That came either from Hebron or from Jerusalem:

Ahithophel [is] among the co…

David prays not against Ahithophel's person, but against his counsel. He prayed this, in firm belief that God has all hearts in His hand, and tongu…