A Timeline Of Boston Marathon Bomber's Trial

Dzhokhar Tsarnaev's trial won't be postponed a second time. The jury was finalized just in time for the opening statements in the Boston Marathon bombing suspect's trial scheduled for Wednesday after it was originally delayed due to jury selection. On Tuesday, the day before opening statements were set to begin, a jury of eight men and 10 women was chosen for the high-profile trial on Tuesday. All 18 jurors are white, though one of the men is of Iranian descent. The panel will not know which 12 jurors will participate in deliberations and who will serve as alternates until the end of the trial, forcing all of them to pay attention to the proceedings that could last for months.

The bombing at the finish line of the Boston Marathon in April 2013 killed three people and injured more than 260. Tsarnaev, 21, pleaded not guilty to the 30 federal charges he faces, 17 of which carry the death penalty, in July 2013. A lot has happened since the initial bombing at the popular marathon that shocked the country almost two years ago. As the trial gears up to begin on Wednesday, here's a timeline of events that have occurred since the tragedy.

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April 15, 2013: Two bombs go off at the Boston Marathon just before 3 p.m.

April 17, 2013: President Obama declares a state of emergency and orders federal aid.

April 18, 2013: Massachusetts Institute of Technology police officer Sean Collier is fatally shot, a killing later linked to the Tsarnaev brothers.

April 19, 2013: The two suspects hijack a car in Cambridge, Massachusetts, and the driver escapes by running into a gas station. Later in the day, the police track down the Tsarnaevs, leading to a car chase. The suspects throw explosives and exchange gunfire with the police. Tamerlan Tsarnaev is killed, and Dzhokhar gets away.

That night, Dzhokhar is found 60 miles south in New Bedford on a boat in someone's backyard. He is taken to the hospital for gunshot wounds to his head, neck, legs, and hand.

April 21, 2013: The FBI searches Dzhokhar's dorm room at the University of Massachusetts-Dartmouth, finding BBs, a large pyrotechnic device, and clothes resembling those worn on the day of the marathon by the man described as "Bomber Two."

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April 26, 2013: Dzhokhar's backpack is discovered in a landfill, containing fireworks, Vaseline, and a homework assignment.

May 1, 2013: Three of Dzhokhar's friends are charged for aiding the suspect — Azamat Tazhayakov and Dias Kadyrbayev are charged with destroying and concealing evidence, and Robel Phillipos is charged with making false statements to federal investigators.

May 22, 2013: An FBI agent fatally shoots a friend of Tamerlan's, Ibragim Todashev, after he lunged at police trying to question him about the 2011 Waltham killings, which Tamerlan was a suspect in.

July 10, 2013: Dzhokhar pleads not guilty to 30 federal charges.

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Jan. 30, 2014: Prosecutors announce they will seek the death penalty for Dzhokhar.

May 30, 2014: Khairullozhon Matanov is arrested for obstructing the investigation by lying to investigators and deleting information off his computer.

June 18, 2014: Dzhokhar's attorneys file the first request to relocate the trial to Washington D.C.

July 21, 2014: One of Dzhokhar's friends arrested, Tazhayakov, is convicted of obstruction of justice and conspiracy.

Aug. 22, 2014: Another friend, Kadyrbayev, pleads guilty to obstructing the investigation.

Sept. 24, 2014: A federal judge grants Dzhokhar's attorneys' request to delay the trial, moving the start to Jan. 5, 2015.

Oct. 28, 2014: The third friend arrested in May 2013 for helped Dzhokhar, Phillipos, is convicted of lying to federal agents.

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Nov. 25, 2014: A federal judge denies Dzhokhar's attorneys' request to order prosecutors to turn over evidence about Tamerlan's possible participation in the Waltham killings.

Dec. 18, 2014: Dzhokhar appears in court for the first time since arraignment for a pretrial hearing.

Jan. 5, 2015: The jury selection process begins.

Jan. 26, 2015: Opening statements, planned to begin this day, are postponed because jury selection is not complete.

March 2, 2015: Defense attorneys submit their fourth request to relocate trial outside of Boston.

March 4, 2015: Opening statements by the prosecution and defense begin.

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