Jesus Campos, Vegas security guard shot at Mandalay, has vanished

LAS VEGAS — The story seemed straightforward: The unarmed security guard approached Stephen Paddock’s room on the 32nd floor of the Mandalay Bay Resort and Casino, distracting the gunman and potentially saving lives. With a gunshot wound to his leg, he helped point officers to the gunman’s location and stayed behind to evacuate hotel guests. He…