-The clock on the wall of the Caffey house showed 3.55am – the time that the flames had engulfed the Texan cabin which had been home to Terry Caffey, 41, his 37-year-old wife, Penny, and their three children – 16-year-old Erin, Matthew, 13, and Tyler, who was 8. But it wasn't the fire which had claimed the lives of Terry's family... It was Erin Caffey herself...