בְּנֵ֣י יַעֲקֹ֗ב בָּ֚אוּ עַל־הַ֣חֲלָלִ֔ים וַיָּבֹ֖זּוּ הָעִ֑יר אֲשֶׁ֥ר טִמְּא֖וּ אֲחוֹתָֽם׃
The sons of Jacob came upon the slain, and spoiled the city, because they had defiled their sister.
Read kabbalistic (mystical) interpretation of Genesis 34:27: and classical mystical sources.