Great Mojo compilation of this FBI cottage industry. Lots more at link.
The Informants
The FBI has built a massive network of spies to prevent another domestic attack. But are they busting terrorist plots—or leading them?
—Trevor Aaronson
http://motherjones.com/politics/2011/08/fbi-terrorist-informantsLocked Up Abroad—for the FBI
How our government enlists foreign regimes to detain and interrogate American citizens.
—Nick Baumann
http://motherjones.com/politics/2011/08/proxy-detention-gulet-mohamedRadical Leftist or Feds' BFF?
To many on the left, Brandon Darby was a hero. To federal agents consumed with busting anarchist terror cells, he was the perfect snitch.
—Josh Harkinson
http://motherjones.com/politics/2011/08/brandon-darby-anarchist-fbi-terrorismLink to compilation main page.
http://motherjones.com/special-reports/2011/08/fbi-terrorist-informants