מֵֽחַטֹּ֣את נְבִיאֶ֔יהָ עֲוֺנ֖וֹת כֹּהֲנֶ֑יהָ הַשֹּׁפְכִ֥ים בְּקִרְבָּ֖הּ דַּ֥ם צַדִּיקִֽים׃ (ס)
It is because of the sins of her prophets, And the iniquities of her priests, That have shed the blood of the just In the midst of her.
Read halakhic rulings (Jewish law) on Lamentations 4:13: and classical halakhic sources.