Go in unto thy father's concubines, which he hath left to keep the house .... So they spread Absalom a tent upon the top of the house; and Absalom went in unto his father's concubines in the sight of all Israel. 16:21
"He ... put them under saws, and under harrows of iron, and under axes of iron, and made them pass through the brick-kiln."
David tortured or enslaved (depending on translation) all the inhabitants of several cities.
12:31
