וַֽיִּשְׁמְעוּ֙ בְּנֵ֣י בִנְיָמִ֔ן כִּֽי־עָל֥וּ בְנֵֽי־יִשְׂרָאֵ֖ל הַמִּצְפָּ֑ה וַיֹּֽאמְרוּ֙ בְּנֵ֣י יִשְׂרָאֵ֔ל דַּבְּר֕וּ אֵיכָ֥ה נִהְיְתָ֖ה הָרָעָ֥ה הַזֹּֽאת׃
Now the children of Benjamin heard that the children of Israel were gone up to Mizpah.—And the children of Israel said: ‘Tell us, how was this wickedness brought to pass?’
Related passages and parallel verses for Judges 20:3.