Per hour. Why was it traveling at twice the speed limit before it veered off the tracks . And the engineer, bostain, he is not talking to investigators. The ntsb have long advocated and called for positive train control and positive train control, which is required by law to be implemented by the end of this year positive train control is designed to prevent the type of accident we are dealing with here. Some families in limbo. They are frantically searching for loved ones who disappeared since the crash. We begin this hour with a search for the missing families. And hospitals shifts to a new challenge. And we have more on that. Reporter good morning, carol. There are still an untold number of passengers still unaccounted for, and that number might be as many as 12 people that are still missing. We now noah hmong those miss something a 45yearold father gildersleeve an executive traveling on the train from baltimore and his family is still looking for him this morning. And there is a pa