Jeremiah 41:3

Ishmael also slew all the Jews that were with Gedaliah at Mizphah, and all the Chaldeans that he found there waiting upon him.

2 Kings 25:25

But it chanced the seventh month after, that Ishmael the son of Nethaniah the son of Elishama of the king's blood came, and ten men with him and smote Gedaliah that he died: and so did he to the Jews and the Chaldeans that were with him at Mizphah.

Ecclesiastes 9:18

For wisdom is better than harness: but one unthrifty alone destroyeth much good.

Jeremiah 41:11-12

But when Johanan the son of Kareah, and all they which had been captains over the king's Host with him, heard of all the wickedness that Ishmael the son of Nethaniah had done;

Lamentations 1:2

{Beth} She weepeth sore in the night, so that the tears run down her cheeks: for among all her lovers, there is none that giveth her any comfort. Yea, her next friends transgress against her, and are become her enemies.

Treasury of Scripture Knowledge

Summary

Ishmael also slew all the Jews that were with him, even with Gedaliah, at Mizpah, and the Chaldeans that were found there, and the men of war.

Bible References

General references

Jeremiah 41:11
But when Johanan the son of Kareah, and all they which had been captains over the king's Host with him, heard of all the wickedness that Ishmael the son of Nethaniah had done;
2 Kings 25:25
But it chanced the seventh month after, that Ishmael the son of Nethaniah the son of Elishama of the king's blood came, and ten men with him and smote Gedaliah that he died: and so did he to the Jews and the Chaldeans that were with him at Mizphah.
Ecclesiastes 9:18
For wisdom is better than harness: but one unthrifty alone destroyeth much good.
Lamentations 1:2
{Beth} She weepeth sore in the night, so that the tears run down her cheeks: for among all her lovers, there is none that giveth her any comfort. Yea, her next friends transgress against her, and are become her enemies.