They had fulfilled their promise, but in a way the treacherous Tarpeia did not expect.

When she was quite dead, they took up her body, and threw it over the rock which ever after bore her name, as a warning to traitors.
Treachery within the camp, those in league with the enemy in the very midst of the citadel, those who whilst pretending to be friends are secretly conspiring to hinder and annoy.

Surely such a state of things is enough to move any man's heart.

Who could help feeling it bitterly?
David could not.

Listen to his heartrending cry-- 'For it is not an open enemy, that hath done me this dishonour; for then I could have borne it.