Reference for Deuteronomy 27:24

אָר֕וּר מַכֵּ֥ה רֵעֵ֖הוּ בַּסָּ֑תֶר וְאָמַ֥ר כָּל־הָעָ֖ם אָמֵֽן׃ (ס)

Cursed be he that smiteth his neighbour in secret. And all the people shall say: Amen.

BDB

BDB