Transcript for Questions still unanswered about motive for Las Vegas mass shootingAnd good evening from las Vegas tonight. And what he had hidden in the hallway of the 32nd floor of that hotel right behind me. And just one hour later -- Reporter: Tonight, we are learning more about how 64-year-old Stephen paddock planned his attack. He shuttered himself in his suite, taking in room service, say police, as the country music festival kicked off on Friday, waiting. Room service.

Source: ABC News October 04, 2017 00:23 UTC