Related, AP is reporting the FBI had investigated one of the brothers in 2011 after being tipped off that he was a radical... http://www.washingtonpost.com/pol

Related, AP is reporting the FBI had investigated one of the brothers in 2011 after being tipped off that he was a radical... http://www.washingtonpost.com/politics/fbi-got-information-from-foreign-government-that-tamerlan-tsarnaev-was-radical-islam-follower/2013/04/20/d171986c-a9d9-11e2-9e1c-bb0fb0c2edd9_story.html http://www.washingtonpost.com/politics/fbi-got-information-f...