The FBI treated a reporter who provided information about bombing as an informant. The Center for Public Integrity looks at whether the journalist acted unethically.
Aaron Mehta is a reporter for the Center for Public Integrity, a nonprofit, nonpartisan investigative reporting organization in Washington D.C.
A 2009 Homeland Security study warned that the rise of right-wing extremism could spur violent attacks. But the report was attacked by Republicans, including now-Speaker John Boehner, blunting its impact.