On the night of December 10, 2003, Kent and Tricia Whitaker dined at a Pappadeaux in Stafford, Texas, with sons Bart (24) and Kevin (19). It was meant to celebrate Bart’s supposed graduation from Sam Houston State University. None of it was true. By the time they reached their Sugar Lakes driveway, two were dead—and the person who set it all in motion was sitting in the back seat.