"Stop giving fame-seeking mass shooters the personal attention they want," they say.
One camera was found on a room service cart in the hallway.
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.
"He never gave any indication or reason to believe he was unstable or unfit at any time," one store owner said in a statement.
Joe Lombardo said there was nothing to alert authorities to shooter Stephen Paddock.
Patrick Benjamin Paddock, also known as Benjamin Hoskins Paddock, was wanted for bank robberies, according to newspaper accounts.
Police have identified a single attacker in the incident in which more than 50 people were killed.
The gunman, Stephen Paddock, had at least 19 rifles and handguns and fired hundreds of rounds of ammunition from his hotel room at the Mandalay Bay hotel.