LVPD still don't know why "unremarkable man" killed 58 people and injured hundreds more in last October's attack.
Social media outrage grows after company attempts to dismiss liability claims.
A lawyer for the victims hit back at the "outrageous" lawsuit.
Paddock killed 58 people in an attack on a music festival.
The documents also identified a second person of interest in the case.
The Las Vegas Metropolitan Police Department sheriff said on Friday that Paddock's finances could have been a motive for the mass shooting.
Lawyers for police argued authorities could not release sealed documents because they are investigating more charges.
“Now that’s a long time for some people, but speaking for the FBI, that’s light speed," the agent told a Nevada newspaper.
Some attorneys say MGM's paid room for its security guard could result in him providing a version of the shooting timeline that is favorable to the company.
Aldean was on stage when Stephen Paddock opened fire on concertgoers, killing 58 people and injuring over 500.
The conspiracy theorist refuses to accept Paddock carried out the shooting alone.
Stephen Paddock killed 58 people in the city before turning a gun on himself.
The owner of Wynn Resorts said his staff were stunned by what had happened.
Police are left with more questions than answers.
Researchers have studied criminal behavior and genetics for more than a century, and the findings are sometimes controversial.
Despite doubts from authorities, ISIS is insisting that Stephen Paddock was acting as a "soldier of the caliphate" when he murdered 58 people in Las Vegas.
Hundreds of thousands of people flock to Lollapalooza each year, including the elder daughter of former President Obama in August.
Danley was cleared of any involvement in the shooting but the whereabouts of the woman identified as Stephen Paddock's female associate remains unclear.
Stephen Paddock’s massive arsenal raises questions about gun regulation and hotel security.