An FBI agent says that two friends of Boston Marathon bombing suspect Dzhokhar Tsarnaev would have been arrested if they did not come to a police station voluntarily. Special Agent John Walker ... more 
An FBI agent says that two friends of Boston Marathon bombing suspect Dzhokhar Tsarnaev would have been arrested if they did not come to a police station voluntarily. Special Agent John Walker testified in federal court on Wednesday that Dias Kadyrbayev and Azamat Tazhayakov were brought in for questioning willingly four days after the attack. Walker said that the two men had to be questioned because they might know the whereabouts of a dangerous fugitive. less 
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Wochit
Wed, May 14, 2014 5:52 PM EDT