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Moments after he finished running the grueling Boston Marathon Monday, the real work started for Michael Rezendes, a reporter with the Boston Globe.
Rezendes quickly started reporting on the bombing that had left three dead and more than 170 injured near the finish line. In a piece examining how Cambridge-raised Tamerlan Tsarnaev, 26, and Dzhokhar Tsarnaev could become suspects in the greatest terrorist attack on American soil since 9/11, Rezendes and his Globe colleagues reconstructed the brothers past in Russia.
An uncle reached in Russia said that he used to warn Dzhokhar that his older brother was "up to no good."
Watch Rezendes speak to Alex about the brothers and their contrasting personalities and Boston's recovery.