NBC report says Las Vegas shooter 'scouted' two other major United States cities

NBC report says Las Vegas shooter 'scouted' two other major United States cities

The Blackstone Hotel is located at 636 S Michigan Ave, directly across the street from Chicago's Grant Park where the annual musical festival is held.

TMZ said both rooms had a checkout of August 6th.

Sheriff Joseph Lombardo told reporters that Stephen Paddock rented a room through Airbnb at the Ogden hotel in downtown Las Vegas but he didn't know why.

In a statement released to the Chicago Tribune, chief police spokesman Anthony Guglielmi said authorities are investigating the report. "The city conducts extensive public safety planning and training around major events, in close coordination with our law enforcement partners, to ensure public safety".

Officials have struggled to find a motive for why Paddock, a retired real estate investor who liked to gamble, took at least 10 suitcases' worth of firearms and ammunition to the 32nd floor of the Mandalay Bay Resort and Casino and opened fire on a crowd of concertgoers gathered below.

A sum of 58 individuals were killed and 498 others injured in the Sunday night slaughter.

Paddock also appears to have spent much of September in Las Vegas, where he was seen gambling in the weeks before the attack, according to casino representatives.

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Massachusetts Gov. Charlie Baker also says he's aware of the reports but could not discuss them because of the ongoing investigation into the mass shooting. Nineteen more guns were found at Paddock's Mesquite home and seven at his Reno house.

His girlfriend, Marilou Danley, told FBI agents Wednesday that she had not noticed any changes in his mental state or indications he could become violent, the federal official said. "We don't know yet". Representatives said Paddock won about $300.

Before Stephen Paddock made a decision to attack the Route 91 Harvest festival in Las Vegas he may have considered carrying out similar massacres in other cities, including Chicago and Boston, NBC News reports.

The official said that law enforcement found no evidence that Paddock ever came to Chicago during the weekend of Lollapalooza - a music festival that attracts hundreds of thousands of people.

Paddock sent Danley on a trip to her native Philippines before the attack, and she was unaware of his plans and devastated when she learned of the carnage while overseas, she said in a statement. Some behavioral experts have wondered whether the 64-year-old Paddock suffered from some kind of brain abnormality or had a terminal illness that prompted him to lash out.

Police were reviewing video shot at the high-rise to check Paddock's movements. "That's the one in this one, and we are not there yet", FBI Deputy Director Andrew McCabe said.