From the article "Casinos, Airlines Ordered to Give FBI Information":

LAS VEGAS -- Las Vegas hotel operators and airlines serving McCarran International Airport are being required by the FBI to turn over all guest and passenger names and personal information, at least during the holiday period, several sources said Tuesday.

FBI spokesman Todd Palmer confirmed the federal action and said the requirement that the companies surrender customer information is a "normal investigative procedure."

However, Allen Lichtenstein, general counsel for the Nevada Chapter of the American Civil Liberties Union, said the program "clearly is not part of a normal investigation.

"What we seem to be witnessing at this point is a move on the part of the government to keep tabs on what everyone is doing all the time, which has serious civil liberties implications," Lichtenstein said.

"It's one thing to have some specific security concerns and a targeted investigation with some basis in fact, but to ... try to follow everyone goes beyond what is called for."

Hotel operators who asked not to be identified said the information being provided to federal officials includes guest and passenger names, addresses and personal identification information, but not casino records or guest gambling information...