Verses with the word killing in the Apocrypha (2 verses):

2 Maccabees 5:13
Thus there was killing of young and old, making away of men, women, and children, slaying of virgins and infants.

2 Maccabees 12:23
Judas also was very earnest in pursuing them, killing those wicked wretches, of whom he slew about thirty thousand men.