Josh Powell's sister had once suspected him of murdering his missing wife, but now – despite killing his two sons in a fiery explosion – she believes he had nothing to do with Susan Cox's disappearance.
Alina Powell conceded to ABC News that she was suspicious of her brother when his wife vanished in 2009.
"I was. I had my doubts," she said.
But in the following two years, those doubts had been erased.
"I scrutinized him pretty deeply. I watched him when he would talk, when he would interact...Full Story