Computer hackers who previously broke into a U.S. Senate server and brought down the CIA web site struck an Arizona police web site on Thursday, releasing dozens of internal documents over the Internet.

Lulz Security, saying it opposed a tough anti-immigration law in Arizona, said it was releasing documents that related to border control and other law enforcement activities. Its headline was “Chinga La Migra,” Spanish for a more profane way of saying “Screw the Immigration Service.”

It released about a half a gigabyte of data, including account names, passwords and contact information for several people. Reuters was able to reach two of them to establish that they were accurate.

A scan of the dozens of files released revealed what appeared to be security bulletins from other law enforcement agencies, internal planning documents and even routine reports on traffic incidents.

Google Inc found itself at the center of multiple government investigations on Thursday into whether it is using its dominance in search advertising to scotch competition.

At least three state attorneys general have started antitrust investigations into Google, a source familiar with the matter said.

The source declined to elaborate on the details of the investigations by the attorneys general of California, Ohio and New York as they were still in the early stages.

The attorneys general investigation into Google was first reported by the Financial Times, citing people familiar with the investigations.

The news of the attorneys general investigation emerged on the same day the Wall Street Journal reported that the internet search giant is about to receive the civil equivalent of a subpoena from the U.S. Federal Trade Commission as part of a probe into the company’s Internet search business.

The company, which dominates U.S. and global markets for search advertising, has been accused by competitors of favoring its own services over rivals in its search results.