The man, Stephen Paddock

The first photo of a man believed to be Stephen Paddock - the Las Vegas gunman who killed at least 50 people in the worst shooting in US history - has been released.
Paddock reportedly arrived in Las Vegas from his home in Mesquite Thursday, when he checked into a hotel room in the Mandalay Bay Hotel and Casino. He stayed there until Sunday, when he broke his 32nd floor window, and open fired on a crowd at an outdoor country music festival across the street. At least 58 people have been reported dead, and another 515 have been taken to the hospital.                         

Police did not immediately provide possible motives for why Paddock decided to open fire on concert goers. Paddock's body was found alongside at least eight rifles, which were not noticed by anyone working at the hotel in the days before the attack. House keeping had reportedly entered his room several times, but did not notice anything worrisome. It's not clear if he had the weapons in the room in the days leading up to the attack, or if he had moved them into his room Sunday before the shooting.
In an interview in Florida, Paddock's brother said that he had no idea why is brother would have been pushed to become the worst mass shooter in modern American history. He noted that he had helped his brother to move to Nevada several years ago and that he wasn't aware of his brother owning any assault rifles during that time. He said he was "dumbfounded" by the news that his brother had orchestrated the attack.
"There is no reason we can imagine why Stephen would do something like this," Eric Paddock said. "We have no idea how this happened. It's like an asteroid just fell on top of our family."

Paddock reportedly had a pilot licence, and had worked as an accountant before retiring. People in his 55-plus community in Mesquite appeared to not have a close relationship with Paddock, according to reporters on the ground in Mesquite. He lived there with a live-in girlfriend.

Mr Paddock, the brother, told reporters that their father had at one point made the FBI's 10 most wanted list for robbing banks. He did not note any other significant issues he was aware of that may have motivated his brother to attack.

U.S.

Stephen Paddock's father was on FBI's 10 most wanted list

Andrew Griffin,The Independent 3 hours ago

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The Las Vegas shooter's father was once on the FBI's 10 most wanted list.
Stephen Paddock killed more than 58 people when he opened fire on a concert in Las Vegas, spraying a concert with a hail of bullets. He shot himself before he could be apprehended.
And it has now emerged that his father, Patrick Benjamin Paddock, was known as a violent bank robber during the 1960s and 1970s. His crimes made him one of the most notorious criminals in the US during his heyday.
An FBI poster that is available online says that the Las Vegas killer's father “diagnosed as psychopathic, has carried firearms in commission of bank robberies” and “reportedly has suicidal tendencies and should be considered armed and very dangerous.”
Local news reports soon after his crimes were reported said that neighbours "couldn’t believe that the colorful businessman, then 34 years old, was involved in crime". Another report says that he was captured in 1978, when he was running a bingo parlor.

                   He had been removed from the most wanted list a year before, because "it was felt he no longer fit the 'Top Ten' criteria", according to the FBI's official website.
The older Paddock was also involved in a violent attack in Las Vegas, according to a contemporaneous report in Tucson's Daily Citizen. When he was apprehended by the FBI, he attempted to run down an agent using his car, the report said.
Paddock himself had no criminal record apart from a traffic violation, according to Las Vegas police.
The detail is the one strange piece of information to emerge about the man behind the massacre, which is the deadliest mass shooting in US history. People including his brother, who first reported their father's notoriety, said that Paddock's life was surprisingly normal and there was nothing to indicate he was planning such an attack.
His brother, Eric Paddock, said he was a peaceful man who moved back to Nevada, where gambling is legal, partly because of his fondness for video poker.
"He's never drawn his gun, it makes no sense," Paddock said from his doorstep in Orlando, Florida. His brother had a couple of handguns he kept in a safe, perhaps a long rifle, "but no automatic weapons."

Eric Paddock said he had helped his brother move away from Central Florida's humidity to Nevada. The two were last in touch last month, texting about power outages after Hurricane Irma slammed into Florida.