ויצו [וַיְצַוּ֕וּ] אֶת־בְּנֵ֥י בִנְיָמִ֖ן לֵאמֹ֑ר לְכ֖וּ וַאֲרַבְתֶּ֥ם בַּכְּרָמִֽים׃
And they commanded the children of Benjamin, saying: ‘Go and lie in wait in the vineyards;
Read midrashic interpretation of Judges 21:20: and classical rabbinic exegesis.