Aerial view of the boat where one of the Boston Marathon bombing suspects was found, in a backyard on Franklin Street. The boat and surrounding scene...
In this image released by the Federal Bureau of Investigation on April 19 Dzhokhar Tsarnaev, 19-years-old, a suspect in the Boston Marathon bombing...
Investigators in white jumpsuits work the crime scene on Boylston Street following yesterday's bomb attack at the Boston Marathon April 16, 2013 in...
In this image released by the Federal Bureau of Investigation on April 19 two suspects in the Boston Marathon bombing walk near the marathon finish...
Investigators work around the boat where Dzhokhar A. Tsarnaev was found hiding after a massive manhunt, in the backyard of a Franklin Street home, in...
Investigators stand at the scene of twin bombings at the Boston Marathon on April 17, 2013 in Boston, Massachusetts. The explosions, which occurred...
The boat where one of the Boston Marathon bombing suspects was found, in a backyard on Franklin Street. The boat and surrounding scene is currently...
In this image released by the Federal Bureau of Investigation on April 18 a suspect in the Boston Marathon bombing walks near the marathon finish...
In this image released by the Federal Bureau of Investigation on April 18 two suspects in the Boston Marathon bombing walk near the marathon finish...
Members of the bomb squad investigate a suspicious item on the road as runners pass near Kenmore Square after two bombs exploded during the 117th...
People gather at a makeshift memorial for victims near the site of the Boston Marathon bombings at the edge of the still-closed section of Boylston...
People gather at a makeshift memorial for victims near the site of the Boston Marathon bombings a day after the second suspect was captured on April...
Special Agent Richard DesLauriers and other investigators release images taken from a security camera of persons of interest in the twin bombings at...
Investigators in white jumpsuits work the crime scene on Boylston Street following yesterday's bomb attack at the Boston Marathon April 16, 2013 in...
Investigators in white jumpsuits work the crime scene on Boylston Street following yesterday's bomb attack at the Boston Marathon April 16, 2013 in...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
Dried blood trails are still visible inside the Sugar Heavan store near the finish line of the Boston Marathon on April 22, 2013 in Boston,...
Investigators work around the boat where Dzhokhar A. Tsarnaev was found hiding after a massive manhunt, in the backyard of a Franklin Street home, in...
In this image released by the Federal Bureau of Investigation on April 18 a suspect in the Boston Marathon bombing walks near the marathon finish...
Investigators in white jumpsuits work the crime scene on Boylston Street following yesterday's bomb attack at the Boston Marathon April 16, 2013 in...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
April 15 : Boston police investigate the scene of a suspicious backpacks left near Boston Marathon finish line on the first anniversary of Marathon...
Police investigate inside of a car in front of John Joseph Moakley United States Courthouse after a man was taken into custody who had a meat cleaver...
Police investigate inside of a car in front of John Joseph Moakley United States Courthouse after a man was taken into custody who had a meat cleaver...
Elena Teyer at the podium addressing the media. She says she is a relative of Ibrahim Todashev: a friend of Dzhokhars brother who was killed by an...
Elena Teyer at the podium addressing the media. She says she is a relative of Ibrahim Todashev: a friend of Dzhokhars brother who was killed by an...
Elena Teyer walks to podium to address the media. She says she is a relative of Ibrahim Todashev: a friend of Dzhokhars brother who was killed by an...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car with his attorneys Derege...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Attorney Carmen Ortiz addresses the media flanked by federal prosecutors John Capin, left, and Stephanie Seigman and Acting FBI Special Agent in...
Attorney Carmen Ortiz addresses the media at Moakley Federal Court in Boston, after a guilty verdict was given to Robel Phillipos, a friend of the...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, walks from the Moakley Federal Court in Boston to a waiting car after receiving a guilty...
Robel Phillipos, friend of the Boston Marathon bomber, is seen in the lobby of Moakley Federal Court in Boston the guilty verdict was read. After 35...
Juror leaves Moakley Federal Court in Boston after a guilty verdict was given to Robel Phillipos, a friend of the Boston Marathon bomber. After 35...
Juror leaves Moakley Federal Court in Boston after a guilty verdict was given to Robel Phillipos, a friend of the Boston Marathon bomber. After 35...
At Moakley Federal Court in Boston, Homeland Security officers stand guard as a guilty verdict was given to Robel Phillipos, a friend of the Boston...
Actor Robert David Hall, from CBS-Tv's CSI: Crime Scene Investigation and Adrianne Haslet-Davis, Boston Marathon bombing survivor and amputee, speak...
Actor Robert David Hall from CBS-TV's CSI: Crime Scene Investigation speaks with Adrianne Haslet-Davis, Boston Marathon bombing survivor and amputee,...
Actor Robert David Hall from CBS-TV's CSI: Crime Scene Investigation speaks with Adrianne Haslet-Davis, Boston Marathon bombing survivor and amputee,...
An exterior view of the building related to the murder of three men in 2011, to which Tamerlan Tsarnaev may have had a connection. Tsarnaev, a...
Federal Bureau of Investigation evidence response team takes out evidence from an apartment where a suspected friend of the Boston bombers was shot...
Federal Bureau of Investigation evidence response team takes out evidence from an apartment where a suspected friend of the Boston bombers was shot...
Federal Bureau of Investigation evidence response team takes out evidence from an apartment where a suspected friend of the Boston bombers was shot...
Federal Bureau of Investigation evidence response agents work outside the apartmentent where a suspected friend of the Boston bombers was shot and...
Federal Bureau of Investigation evidence response agent works outside the apartmentent where a suspected friend of the Boston bombers was shot and...