Jeremiah 41:6-7
6 Ishmael son of Nethaniah went out from Mizpah to meet them, weeping as he went. When he met them, he said, “Come to Gedaliah son of Ahikam.”
7 When they went into the city, Ishmael son of Nethaniah and the men who were with him slaughtered them and threw them into a cistern.