45-year-old robert gildersleeve was desperately looking for him. the father of two teenaged boys was dropped off by his wife at the train station in baltimore. he had a tract for amtrak 188 and never seen him again. we know his family has been made aware of this very grim discovery. and now, the mayor of philadelphia saying that all 243 people that were believed to have been aboard amtrak 188 have been accounted for, wolf. >> bring us up to speed, erin on the investigation, where does that stand? >> reporter: yeah well focus very much is on the engineer of the train. we understand that his lawyer saying he's been cooperative, that he was questioned by police. the lawyer says for hours that he answered all of their questions to the best of his ability. despite the fact that he had a head injury. that occurred in that crash. authorities here saying that he actually was inside the