Las Vegas shooting: At least 50 dead, more than 200 injured in massacre A gunman turned a Las Vegas concert into a killing field Sunday night, murdering at least 50 people and injuring more than 200 others in the deadliest mass shooting in modern United States history. The suspect, who was killed, was identified as 64-year-old Stephen Paddock, a local resident. Authorities also said they were "confident" Paddock's roommate, Marilou Danley, had been located. Officials previously described Danley as a person of interest. Please Pray for those dead and injured.