FILE - In this Monday, Jan. 5, 2015 file courtroom sketch, Boston Marathon bombing suspect Dzhokhar Tsarnaev, left, is depicted beside U.S. District Judge George O'Toole Jr., right, as O'Toole addresses a pool of potential jurors in a jury assembly room at the federal courthouse, in Boston. Two highly anticipated criminal trials are underway almost simultaneously in Massachusetts: the federal death penalty trial of Boston Marathon bombing suspect Dzhokhar Tsarnaev and the murder trial of former New England Patriots star Aaron Hernandez. (AP Photo/Jane Flavell Collins, File)
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