Friday, May 20, 2011
The watchman closes the gate and runs to open the main door of the house for his boss.
Fifteen minutes later, the images show a woman entering the compound through the pedestrian gate, followed by a Toyota Landcruiser.
Some of the pictures are poor because of a bright light shining into the compound.
The cameras at the rear of the home show no activity except the switching off of security lights.
The footage shows Njeri emerging from the house at 11.12pm heading to the gate which the guard opens and she leaves.