Around 22,000 people had gathered for the Route 91 Harvest country music festival that is held over the three days.
On Tuesday afternoon, officials said that at least 59 people had been killed and more than 500 were injured.
Authorities have been trying to track Paddock's movements in the days and weeks before the deadliest mass shooting in modern U.S. history.
"There will be time for that policy discussion to take place but that's not the place that we are in at the moment". A Bakersfield Police officer was shot and taken to the hospital with non-life threatening injuries.
"We got back to the hotel and we opened up Facebook and then realized it is really a killing or shooting", said Nora Santiago.
Lombardo says the suspect is dead.
US President Donald Trump praised the rapid police response to the shooting in the aftermath, calling it a "miracle".
The gunfire that interrupted the concert was initially mistaken for fireworks.
A "heroic" security guard helped officers locate the specific hotel room where the gunman was in.
The barrel on that rifle showed a reddish hue, consistent with a gun that had recently been fired repeatedly.
"I can't even make something up", his brother in Florida, Eric Paddock, said when asked what might have motivated his brother.
Until we get serious about writing effective laws limiting the Second Amendment, just as we have with the First and other amendments, we should stop the public weeping, wailing and gnashing of teeth when innocents are gunned down.
A source told the paper bullet holes were found in two white tanks but did not penetrate - saving music-goers from a potentially massive explosion which may have taken the lives of many more.
The tour will resume on Oct. 12 at BOK Center in Tulsa, Oklahoma. "It never occurred to me in any way whatsoever that he was planning violence against anyone".