US President Donald Trump speaks next to first lady Melania Trump after meeting with police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas. Kevin Lamarque / Reuters
US President Donald Trump is greeted by survivor family members Shelby Stalker and Stephanie Melanson, left, after meeting with Las Vegas Mayor Carolyn Goodman, centre, and police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas, Nevada, US. Kevin Lamarque / Reuters
US President Donald Trump and first lady Melania Trump depart for travel to Las Vegas, in the aftermath of the shooting there, from the South Lawn of the White House in Washington. Jonathan Ernst / Reuters
Air Force One carrying President Trump taxis on the runway past Mandalay Bay on Wednesday, Oct. 4, 2017, in Las Vegas. John Locher / AP Photo
President Donald Trump's motorcade passes the Mandalay Bay Resort and Casino on the way to meet with victims and first responders of the mass shooting. Evan Vucci / AP Photo
Motorcycle police line up after escorting US President Donald Trump to University Medical Center to meet with hospital personnel and victims of the mass shooting at the Route 91 Harvest Festival in Las Vegas, Nevada. Paul Buck / EPA
The broken windows in the Mandalay Hotel on the Las Vegas Strip. Mark Ralston / AFP
President Donald Trump talks with Las Vegas Mayor Carolyn Goodman and Clark County Sheriff Joseph Lombardo after arriving at Las Vegas McCarran International Airport to meet with victims and first responders of the mass shooting. Evan Vucci / AP Photo
On a misty morning, members of the White House press corps board Air Force One at Joint Base Andrews in Maryland, US, on their way to Las Vegas with US President Donald Trump. Kevin Lamarque / Reuters
President Donald Trump and first lady Melania Trump walk through University Medical Center after meeting with victims of the mass shooting. Evan Vucci / AP Photo
President Donald Trump arrives to meet with first responders at the Las Vegas Metropolitan Police Department in Las Vegas. Evan Vucci / AP Photo
President Donald Trump and first lady Melania Trump meet with first responders at the Las Vegas Metropolitan Police Department in Las Vegas. Evan Vucci / AP Photo
President Donald Trump and first lady Melania Trump walk with surgeon Dr John Fildes, left, at the University Medical Center after meeting with survivors of the mass shooting in Las Vegas. Evan Vucci / AP Photo
US President Donald Trump speaks next to first lady Melania Trump after meeting with police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas. Kevin Lamarque / Reuters
US President Donald Trump is greeted by survivor family members Shelby Stalker and Stephanie Melanson, left, after meeting with Las Vegas Mayor Carolyn Goodman, centre, and police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas, Nevada, US. Kevin Lamarque / Reuters
US President Donald Trump and first lady Melania Trump depart for travel to Las Vegas, in the aftermath of the shooting there, from the South Lawn of the White House in Washington. Jonathan Ernst / Reuters
Air Force One carrying President Trump taxis on the runway past Mandalay Bay on Wednesday, Oct. 4, 2017, in Las Vegas. John Locher / AP Photo
President Donald Trump's motorcade passes the Mandalay Bay Resort and Casino on the way to meet with victims and first responders of the mass shooting. Evan Vucci / AP Photo
Motorcycle police line up after escorting US President Donald Trump to University Medical Center to meet with hospital personnel and victims of the mass shooting at the Route 91 Harvest Festival in Las Vegas, Nevada. Paul Buck / EPA
The broken windows in the Mandalay Hotel on the Las Vegas Strip. Mark Ralston / AFP
President Donald Trump talks with Las Vegas Mayor Carolyn Goodman and Clark County Sheriff Joseph Lombardo after arriving at Las Vegas McCarran International Airport to meet with victims and first responders of the mass shooting. Evan Vucci / AP Photo
On a misty morning, members of the White House press corps board Air Force One at Joint Base Andrews in Maryland, US, on their way to Las Vegas with US President Donald Trump. Kevin Lamarque / Reuters
President Donald Trump and first lady Melania Trump walk through University Medical Center after meeting with victims of the mass shooting. Evan Vucci / AP Photo
President Donald Trump arrives to meet with first responders at the Las Vegas Metropolitan Police Department in Las Vegas. Evan Vucci / AP Photo
President Donald Trump and first lady Melania Trump meet with first responders at the Las Vegas Metropolitan Police Department in Las Vegas. Evan Vucci / AP Photo
President Donald Trump and first lady Melania Trump walk with surgeon Dr John Fildes, left, at the University Medical Center after meeting with survivors of the mass shooting in Las Vegas. Evan Vucci / AP Photo
US President Donald Trump speaks next to first lady Melania Trump after meeting with police at the Las Vegas Metropolitan Police Department in the wake of the mass shooting in Las Vegas. Kevin Lamarque / Reuters
