prized position, the boston marathon. the explosions killed three people. 23-year-old linsey loo, christie campbell, and 8-year-old martin richard, a third grader. scores more were injured, many with severe leg injuries that required amputation. in the days after, law enforcement officials raced to find the people responsible. and after the fbi released surveillance footage of its main suspect, one in a black hat and one in a white an m.i.t. officer was fatally shot late that thursday night. sar naef brothers then hijacked an suv, drove to the nearby suburb of watertown where they engaged with a massive shoot-out with police. at some point the older brother, tamerlan ran out of ammunition and was tackled by police. dzhokar sped away in the suv hitting tamerlan who died of gunshot wounds and trauma to his head and torso. in the two years since dzhokar tsarnaev was apprehended, federal prosecutors have brought a capital case against him for the bombings and all that followed. and tsarnaev's defense team took