"I think we need to recognize the position that these officers hold", Hickey told the Daily Beast Wednesday.
Police have studied Mr Paddock's computer, political affiliations, behaviours and finances, but Undersheriff McMahill said they had yet to uncover any clear motive for the attacks or any "potential radicalisation".
"Today, in our investigation, we don't have any of that uncovered", he said.
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It basically calculated where Paddock should aim his high-powered rifles to gain the most carnage in this attack.
Investigators are now working to determine the motive behind the attack, although answers are proving hard to come by, as Paddock did not appear to share with anyone his reasons for carrying out the shooting.
Antoinette Cannon, a trauma nurse who treated massacre victims Sunday night leaves a rose at each of the 58 white crosses at a makeshift memorial on the south end of the Las Vegas Strip on October 6, 2017.
The official said investigators were interviewing other call girls for information and looking into at least a dozen cruises Paddock took in the last few years, including one to the Middle East.
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Paddock began firing at concertgoers from his 32nd-floor suite beginning 10:05 p.m. Sunday, according to police.
Debra DeShong, a representative for the Mandalay Bay's parent company, MGM Resorts, told Business Insider in a statement that the company "works consistently with local and national law enforcement agencies to keep procedures at our resorts up to date" and was "always improving and evolving". She was out of the country at the time of the attacks and has been labelled a "person of interest", though she's not in custody and is co-operating with authorities. "I wish we did".
TMZ also reports that Paddock "specifically requested both rooms be a "view room" which only face Grant Park" and that he hadn't previously booked a room at the hotel before.
Danley later also told the Federal Bureau of Investigation that Paddock had developed symptoms of mental health issues and "would lie in bed, just moaning and screaming, "Oh my God, '" an ex-FBI official in the know told the Daily Mail". After buying a plane ticket for Danley to the Philippines, Paddock wired $100,000 to her just a week before his murderous rampage.
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The president and his Korean counterpart, Kim Jong-un, have been exchanging insults and threats over the past few months. The comments came hours after Mr Trump said " only one thing will work " in dealing with the isolated country.