Email that reads "i'm sorry, goodbye. he just poured 10 gallons of gasoline around his own home. lured his children inside. set himself the kids and the house on fire. killed them all. he had long been a person of interest in the disappearance of his wife susan. we reported just after she vanished in 2009 in utah. alibi was he had taken his children on a midnight camping trip in the freezing weather and didn't know what happened to susan. it was a story the cops never seemed to believe. and susan powell's parents say one of the children recently drew a classroom picture that showed the family ...