News of the government's search of Fox News phone records comes after controversy broke out last week over a separate leak investigation in which prosecutors seized the call details of roughly 20 phone numbers of reporters and editors at the Associated Press.

WSJ: Fox News Phone Records Searched

Currently its locker accepts content only from the Web sites of customers that include Fox Music, Fox Sports Mobile, Sony BMG, TVT Records and Walt Disney .

FORBES: The Mobile Locker

Federal investigators apparently accessed records of calls to and from a phone number at Fox News Channel in their leak investigation of a former State Department contractor, according to a court document.

WSJ: Fox News Phone Records Searched

The Hopper, launched last year with the help of some real live kangaroos, has a feature that records TV and automatically skips commercials for primetime on networks ABC, CBS, FOX and NBC.

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