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http://www.cnn.com/2017/10/02/us/las-vegas-attack-stephen-paddock-trnd/index.html
"That came as a surprise to one of his former neighbors. "If there was any impression, I would say, guy had no idea what a gun was," said Don Judy, who lived next door to Stephen Paddock from 2013-2015 in a retirement community in Melbourne, Florida.
Paddock never stayed at the house for very long, Judy said. Sometimes he came with his girlfriend, sometimes without.
"He was a gambler and a speculator, and he did that in Vegas," Judy said. Paddock once mentioned that "We're up all night because we gamble," the neighbor added."