What drove Las Vegas gunman Stephen Paddock to shoot up a country music concert remained a mystery Tuesday, as a vexing array of possible clues did little to bring into focus a motive for the biggest mass shooting in modern American history.
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Read the full article at: http://www.foxnews.com/us/2017/10/03/las-vegas-shooting-from-isis-to-gambling-debts-theories-abound-for-shooters-motive.html