And when the night came, Moroni went forth in the darkness of the night, and came upon the top of the wall to spy out in what part of the city the Lamanites did camp with their army. And it came to pass that they were on the east, by the entrance; and they were all asleep. And now Moroni returned to his army, and caused that they should prepare in haste strong cords and ladders, to be let down from the top of the wall into the inner part of the wall.