Numerous hotels researched by Paddock offered views that were heavily obstructed and Paddock eventually gave up on the search. He also researched hotels around Boston's Fenway Park, a senior law enforcement official with direct knowledge of the matter told NBC News. As CrimeOnline previously reported, Paddock made reservations at Chicago's Blackstone Hotel for the weekend of the Lalapalooza music festival, and specifically requested the two rooms he reserved to have views of the main stage.
The Las Vegas shooter had researched concert locations in Boston, sources told WBZ-TV chief investigative reporter Cheryl Fiandaca.
For the postseason, Boston Police Department tactical teams will be stationed inside Fenway and the surrounding perimeter, and additional police detail officers will be on site, including undercover plain clothes officers monitoring the crowds, the team said Friday.
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.
New York Yankees shortstop Derek Jeter bats in the 1st inning during a game against the Boston Red Sox at Fenway Park in Boston, Sept. 28, 2014.More news: McDonald's Szechuan sauce is coming to Athens
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The hotel overlooks Grant Park where the Lollapalooza festival is held each year.
Las Vegas shooting suspect Stephen Paddock may have been considering attacks in both Chicago and Boston.
Sheriff Joseph Lombardo said Wednesday that authorities are investigating whether or not Paddock had accomplices in Sunday's massacre that left 59 people dead and more than 500 injured.
The safety and security of the people of Massachusetts, Maine, New Hampshire, and Rhode Island is our top priority and we work hand-in-hand with our law enforcement partners to share and act upon threat information as it comes to our attention.