Judy Clarke and David Bruck, Dzhokhar Tsarnaev's defense attorneys, leave the Moakley federal courthouse on April 8 after their client was found guilty. John Blanding/The Boston Globe via Getty Images hide caption

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Flowers were placed at the site of the Boston Marathon finish line on Boylston Street last week. The city will mark the second anniversary of the deadly bombing Wednesday. Scott Eisen/Getty Images hide caption

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In this courtroom sketch, defense attorney Judy Clarke is depicted addressing the jury as defendant Dzhokhar Tsarnaev sits during closing arguments in his federal death penalty trial on Monday. Jane Flavell Collins/AP hide caption

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Dzhokhar Tsarnaev (center) is depicted in this courtroom sketch between defense attorneys Miriam Conrad (left) and Judy Clarke during his federal death penalty trial in Boston. Jane Flavell Collins/AP hide caption

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In this courtroom sketch, Boston Marathon bombing suspect Dzhokhar Tsarnaev is depicted sitting in federal court for a pretrial hearing in Boston on Dec. 18. Tsarnaev is charged with the April 2013 bombing that killed three people and injured more than 260. He could face the death penalty if convicted. Jane Flavell Collins/AP hide caption

itoggle caption Jane Flavell Collins/AP

In this courtroom sketch, Boston Marathon bombing suspect Dzhokhar Tsarnaev (third from right) is depicted with his lawyers and U.S. District Judge George O'Toole Jr., as O'Toole addresses a pool of potential jurors. The trial begins Wednesday. Michael Dwyer/AP hide caption

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A memorial at the site of the first explosion in the Boston Marathon bombing. Defense attorneys say too many people in the potential jury pool have some kind of personal connection to the case. Andrew Burton /Getty Images hide caption

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