So David said to him, "Your blood is on your own head, for your own mouth has testified against you, saying, "I have killed the LORD's anointed."'
2 Samuel 1:16
Surrounding context
1:15 Then David called one of the young men and said, "Go near, and execute him!" And he struck him so that he died.
1:16 So David said to him, "Your blood is on your own head, for your own mouth has testified against you, saying, "I have killed the LORD's anointed."'
1:17 Then David lamented with this lamentation over Saul and over Jonathan his son,