Jeremiah
Jeremiah 41:3ESV·traditional attribution

Ishmael also struck down all the Judeans who were with Gedaliah at Mizpah, and the Chaldean soldiers who happened to be there.

Matthew Henry Presbyterian @wholebiblehenry

It is hard to say which is more astonishing, God's permitting or men's perpetrating such villanies as here we find committed. Such base, barbarous, bloody work is here done by men who by their birth should have been men of honour, by their religion just men, and this done upon those of their own nature, their own nation, their own religion, and now their brethren...

Commenting on Jeremiah 41:1-10

John Gill Reformed Baptist @doctorgill

Ishmael also slew all the Jews that were with him, even with Gedaliah, at Mizpah,.... Not only those that were at table, but that were in the city also. Josephus (f) says, that having slain those that were at the feast with him, he went out in the night, and slew all the Jews in the city, and the soldiers that were left by the...

Jamieson-Fausset-Brown Reformed @jfbcommentary

slew all the Jews--namely, the attendants and ministers of Gedaliah; or, the military alone, about his person; translate, "even (not 'and,' as English Version) the men of war." The main portion of the people with Gedaliah, including Jeremiah, Ishmael carried away captive (Jer 41:10, Jer 41:16).