without a trace

When Sheppard’s body didn’t turn up after another day, Roberson’s curiosity deepened. He knew that Sheppard carried a company BlackBerry; his wife had told police it must have gone in the water with him. On Wednesday, Roberson asked Eaton to check for any activity on it. Sure enough, they discovered text messages sent after he had supposedly drowned. As far as Roberson was concerned, the rescue operation was now a manhunt.

- Gone Forever: What Does It Take to Really Disappear?