Jeremiah 40:15-16

Then Johanan son of Kareah said privately to Gedaliah in Mizpah, “Let me go and kill Ishmael son of Nethaniah, and no one will know it. Why should he take your life and cause all the Jews who are gathered around you to be scattered and the remnant of Judah to perish?” But Gedaliah son of Ahikam said to Johanan son of Kareah, “Don’t do such a thing! What you are saying about Ishmael is not true.”