http://www.dailymail.co.uk/news/article-4940918/Details-Las-Vegas-shooting-suspect-Stephen-Paddock.html
https://copycateffect.blogspot.ca/search/label/Stephen%20Paddock
http://www.rense.com/general96/vidconfirms.html
Some people saw what appeared to be more than one point of rapid fire. While others heard of simultaneous shooting going out of sync between pauses.
"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..."
http://www.businessinsider.com/stephen-paddock-las-vegas-shooter-gambling-habits-2017-10
That's a lot of material for a guy to take up to his room. So is that why he rented-two-rooms? Then he apparently had a few days to prepare but somehow housekeeping never noticed a collection of heavy firepower up there.
http://www.dailymail.co.uk/news/article-4944234/Two-23-rifles-inside-Stephen-Paddock-s-room.html
https://mvextra.blogspot.ca/search?q=The+Las+Vegas+Mass+Shooting
https://mvextra.blogspot.ca/search?q=LVS