Law-enforcement officials confirmed that the gunman in Sunday's mass shooting on the Las Vegas Strip had set up cameras in and outside of the hotel room, possibly to look "for anybody coming to take him into custody", Clark County Sheriff Joseph Lombardo told reporters on Tuesday afternoon.
The rapid-fire popping sounded like firecrackers at first, and many in the crowd of 22,000 country music fans didn't understand what was happening when the band stopped playing and singer Jason Aldean hustled off stage.
Besides the 10 guns found in the hotel room, police discovered 18 firearms, explosives and thousands of rounds of ammunition at the residence in Mesquite, a town 128 km north of Las Vegas.
Nevertheless, his actions suggest he had planned the attacks for at least a period of days.
Authorities have yet to identify a motive for the shooting that killed 58 people at an outdoor country music concert but say they believe 64-year-old Stephen Craig Paddock acted alone. At least 59 are dead, and 527 injured.
Paddock opened fire at a crowd at a country music festival from his hotel room on the 32nd floor of the Mandalay Bay Resort and Casino in Las Vegas on Sunday in an attack that left 59 people dead and more than 520 others injured. Paddock is much older than the typical shooter and was not known to be suffering from mental illness.
In an effort to try to crack Stephen Paddock's state of mind, the FBI spent hours interviewing his longtime girlfriend, who returned Tuesday from a weekslong overseas trip and said she had no inkling of the massacre he was plotting when he sent her to see family in her native Philippines.
SWAT units found Paddock in a room of the Mandalay Bay on the 32nd floor with several rifles in the room.
Paddock lost a lawsuit against the Cosmopolitan Hotel after slipping and falling there in October 2011 and leaving on a stretcher, NBC News reported. He said he repeated the question again and again over the next five minutes.
Eric recalled receiving a recent text from his brother showing "a picture that he won $40,000 on a slot machine".
President Donald Trump tweeted: "My warmest condolences and sympathies to the victims and families of the terrible Las Vegas shooting".
When reached by ABC News, Campos said he was fine.
Those killed included a man celebrating his 23rd wedding anniversary, a one-time high school cheerleader and a Pennsylvania wrestling coach.
The official, who was briefed by law enforcement, wasn't authorized to publicly discuss an ongoing investigation and spoke to The Associated Press on condition of anonymity.
"There's no political affiliation that we know of". "He was a guy who had money". Countless stories of horror, bravery, service and sadness have been told. "And it always has", Trump said. "We call upon the bonds of citizenship, the ties of community, and the comfort of our common humanity".
Jennifer Lopez, currently in her "Jennifer Lopez: All I Have" residency at Planet Hollywood in Las Vegas, also canceled her scheduled shows this week.
While Paddock had a passion for high-stakes gambling at Nevada casinos, his game of choice was video poker, a relatively solitary pursuit with no dealer and no humans to play against.
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