as Vegas shooting: At least 58 dead in massacre Trump calls 'act of pure evil'
 
   A gunman turned a Las Vegas concert  into a killing field Sunday night from his perch on the 32nd floor of  the Mandalay Bay Resort and Casino, using at least 10 guns to rain down a  steady stream of fire, murdering at least 58 people and injuring more  than 500 others in the deadliest mass shooting in modern United States  history.    The suspect, who died of a self-inflicted gunshot wound, was identified as 64-year-old Stephen Paddock, a resident of Mesquite, Nevada. Police initially sought a woman   believed to be Paddock's roommate, Marilou Danley, as a "person of  interest." Detectives later made contact with her, and "do not believe  she is involved with the shooting on The Strip."   Clark County Sheriff Joseph Lombardo said an "excess of  10 rifles" were found in the room, but did not immediately reveal a  motive, saying "I can't get into the mind of a psychopath at this  point."   Paddock had been in the hotel room since Septem...