'Innocent' in the Bible

For he did put his life in his hand, and slew the Philistine, and the LORD wrought a great salvation for all Israel: thou sawest it, and didst rejoice: wherefore then wilt thou sin against innocent blood, to slay David without a cause?

He said to David, "You are more innocent than I, for you have treated me well, even though I have tried to harm you!

Your conscience will not be overwhelmed with guilt for having poured out innocent blood and for having taken matters into your own hands. When the Lord has granted my lord success, please remember your servant."

David told Abishai, "Don't destroy him. Who can raise his hand to strike the LORD's anointed and remain innocent?