Mackenzie had both her children dressed in thick black coats - a small preparation for the cold outside - by the time the security details arrived at her front door.

It had been warm for a few days, but the weather that afternoon could almost be described as freezing. Calista wore around her neck, a red and black printed muffler, the red matching the color of the frame of her glasses. Cameron loved the dark blue color, so his muffler was dark blue.

Tucked under Calista's right ...