1 Samuel 22:21 in the King James Version
And Abiathar shewed David that Saul had slain the LORD’s priests.
Context
20 One of the sons of Ahimelech the son of Ahitub, named Abiathar, escaped and fled after David.
21 Abiathar told David that Saul had slain the LORD’s priests.
22 David said to Abiathar, “I knew on that day, when Doeg the Edomite was there, that he would surely tell Saul. I am responsible for the death of all the persons of your father’s house.