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

itoggle caption John Blanding/The Boston Globe via Getty Images

Robel Phillipos (left), a college friend of Boston Marathon bombing suspect Dzhokhar Tsarnaev, departs federal court on Monday. Phillipos was found guilty Tuesday of two counts of lying to the FBI. Steven Senne/AP hide caption

itoggle caption Steven Senne/AP

Blue and yellow are the colors for tributes to victims of the Boston Marathon. Street lights on the route of this year's race are among the places they're showing up. Andrew Burton/Getty Images hide caption

itoggle caption Andrew Burton/Getty Images

Boston bombings suspect Dzhokhar Tsarnaev on April 19 as he emerged from a boat stored in a Watertown, Mass., backyard. The red dot of a police sharpshooter's laser sight can be seen on his forehead. Mass. State Police Sgt. Sean Murphy/Boston Magazine hide caption

itoggle caption Mass. State Police Sgt. Sean Murphy/Boston Magazine

Boston bombings suspect Dzhokhar Tsarnaev on April 19 as he emerged from a boat stored in a Watertown, Mass., backyard. The red dot of a police sharpshooter's laser sight can be seen on his forehead. Mass. State Police Sgt. Sean Murphy/Boston Magazine hide caption

itoggle caption Mass. State Police Sgt. Sean Murphy/Boston Magazine

Boston bombings suspect Dzhokhar Tsarnaev emerges from a boat stored in a Watertown, Mass., backyard on April 19. The red dot of a police sharpshooter's laser sight can be seen on his forehead. This is among the images that Massachusetts State Police Sgt. Sean Murphy gave to Boston Magazine. Mass. State Police Sgt. Sean Murphy/Boston Magazine hide caption

itoggle caption Mass. State Police Sgt. Sean Murphy/Boston Magazine