A new photograph of shooter Stephen Paddock has emerged, via the Telegraph, although it is unclear when or where it was taken.
Separately, as some have noted, Paddock's father - Benjamin Paddock - was a convicted bank robber and on the FBI's 10 Most Wanted list after escpaing from prison in 1968 and on the run for 10 years.
Update 15 (11:40am): According to the latest update from Las Vegas police, the number of dead has risen to 58, while at least 515 have been injured.
"The number of people who have died associated with this event has increased. Right now we're using the number of 58," Las Vegas Sheriff Joseph Lombardo told reporters. "The number of injured - we are using the number of 515."
Lombardo also said that the police has completed its investigation of the shooter's room on the 32nd floor, and that people may return to Mandalay Bay, and the hotel is back open for guests expect the 32nd floor.
Separately, an FBI spokesman at the press conference said that "we have determined no connection with an international terrorist group" eyeing the earlier claim by ISIS that the attack was by one of its "soldiers."
Update 13 (10:55am): Condemning the shooting, in his address to the nation from Washington, President Trump said thanked the first responders for their quick reaction, saying the attack "was an act of pure evil" and that "our unity cannot be shattered by evil, our bonds cannot be broken by violence" even as "hundreds of our fellow citizens are now mourning the loss of a loved one."
The president ordered U.S. flags to be flown at half-staff: “We pray for the entire nation to find unity and peace. To the families of the victims: We are praying for you and we are here for you, and we ask God to help see you through this very dark period."
"Scripture teaches us the Lord is close to the broken-hearted and saves those who are crushed in spirit. We seek comfort in those words for we know that God lives in the hearts of those who grieve."
Trump also said that he would visit Las Vegas on Wednesday after his Tuesday Puerto Rico trip.
Update 12 (10:33am): With the sun out, photos and videos have emerged of the broken windows on the 32nd floor of the Mandalay Bay Hotel. Photos reveal two broken windows on the floor from which gunman Stephen Paddock reportedly sprayed bullets at concert-goers below