Then the king sent to call Ahimelech the priest, the son of Ahitub, and all his father's house, the priests who were in Nob: and they came all of them to the king.
So the one escaped to David from the house of Ahimelech, and David felt really responsible for the death of all of those families. He knew that he made a mistake in letting this Doeg go. He should've killed him. "