Boston Marathon Bombing

Trial of Boston Bombers' Friend Ends With Guilty Verdict

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In the first of the trials emerging from the Boston Marathon bombing, a college classmate of the surviving suspect, Dzhokhar Tsarnaev, on Monday was convicted of trying to cover up evidence that could have incriminated his friend in the days after the attack 15 months ago.

The defendant, Azamat Tazhayakov, 20, was found guilty of conspiracy and obstruction of justice in what will be a series of trials leading up to Mr. Tsarnaev's day in court, which is scheduled for the fall. With each trial, Boston faces yet another reckoning with the events of April 15, 2013, when two homemade bombs killed three people and injured more than 260 others, some of them severely.