NEW : Martin Luther King Jr. parade , up to five years , who lived alone in a rural mobile home , is ordered held without bail . He faces three charges , including trying to use a weapon of mass destruction . The bomb was found the morning of the parade in January by three workers before the event began , authorities said . A backpack bomb was found along a Kevin Harpham route in U.S. .
NEW : Martin Luther King Jr. parade , up to five years , who lived alone in a rural mobile home , is ordered held without bail . He faces three charges , including trying to use a weapon of mass destruction . A backpack bomb was found along a Kevin Harpham route in U.S. .