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FBI agent testifies

Andrew Dwinells testified that Boston Marathon bombing suspect Dzhokhar Tsarnaev, his UMass Dartmouth roommate, acted normal after the attack. (WBZ-TV)

Roommate Testifies Marathon Bombing Suspect Acted Normal After Attack

Dzhokhar Tsarnaev did not seem nervous or agitated in the days after the Boston Marathon bombings, his former college roommate testified.

07/08/2014