Exodus 32:26

²⁴And I said to them, If anyone has golden ornaments, take them off; and they gave them me, and I cast them into the fire, and there came out this calf.

²⁵And when Moses saw that the people was scattered—for Aaron had scattered them so as to be a rejoicing to their enemies—

— Exodus 32:26 —

²⁷And he says to them, Thus saith the Lord God of Israel, Put every one his sword on his thigh, and go through and return from gate to gate through the camp, and slay every one his brother, and every one his neighbor, and every one him that is nearest to him.

²⁸And the sons of Levi did as Moses spoke to them, and there fell of the people in that day to the number of three thousand men.