I suppose if the phone remained at his residence, whether he was asleep as he states, or whether he was out somewhere, technology couldn't prove otherwise. If data had been obtained from his phone, and I'm pretty sure it has been, then if the phone "remained" at the residence, the police wouldn't have found evidence to the contrary. It remains to be seen what this investigation uncovers. I hope that the authorities find answers soon, for everyone's sake, especially the children's. My heart is with the loved ones of Melissa.