Ahithophel said to Absalom, "I would choose twelve thousand men and set out tonight in pursuit of David.
References for 2 Samuel 17:1
I would attack him while he is weary and weak.1 I would strike him with terror, and then all the people with him will flee. I would strike down only the king2
References for 2 Samuel 17:2
and bring all the people back to you. The death of the man you seek will mean the return of all; all the people will be unharmed."
This plan seemed good to Absalom and to all the elders of Israel.