A focus on terrorism has limited the bureau’s ability to pursue wrongdoing related to the economic crisis.

A focus on terrorism and intelligence has limited the bureau’s ability to pursue criminal wrongdoing related to the economic crisis, officials said.

Six government agencies, including the F.B.I. and I.R.S., are looking into what led regulators to close the bank.

A federal judge jailed the businessman until Tuesday to give prosecutors time to explore evidence in an investigation of alleged fraud.

The F.B.I. opened preliminary investigations into possible fraud involving Fannie Mae and Freddie Mac, Lehman Brothers and the American International Group.

The Federal Bureau of Investigation said that it had improperly obtained the phone records of reporters for The New York Times and The Washington Post in the newspapers’ Indonesia bureaus in 2004.

Seemingly conflicting clues reflect the bizarre trajectory of the life of Samuel Israel III, the perpetrator of one of Wall Street’s biggest recent scam, who is now on the run.

The Attorney General said he was confident that the current approach of using local prosecutors’ offices to oversee separate F.B.I. investigations was adequate.

The wiretapping trial of Anthony Pellicano, the accused sleuth to the stars, has offered a close look into the surprisingly easy access to all sorts of spyware.

The F.B.I. and the criminal unit of the I.R.S. have formed a task force to examine mortgages made with little or no proof of borrowers’ earnings or assets, an official said.