Boston Marathon bombings: a timeline

Here's a recounting of what happened, beginning with the Boston Marathon bombings in April 2013.

Steven Senne/AP
People walk through a makeshift memorial near the Boston Marathon finish line in Boston's Copley Square Tuesday, May 7, 2013, in remembrance of the Boston Marathon bombings.


April 15: Two bombs go off near the finish line of the Boston Marathon, killing three and injuring at least 264.

April 18: A police officer at the Massachusetts Institute of Technology in Cambridge is shot and killed by Tamerlan and Dzhokhar Tsarnaev, according to a subsequent indictment.

April 19: Dzhokhar is captured in Watertown, Mass., after an intense manhunt and the death of Tamerlan in a chaotic scene with law enforcement.

April 22: While hospitalized for injuries sustained during the manhunt, Tsarnaev is charged with use of a weapon of mass destruction and malicious destruction of property. Once he is read his rights, he stops talking to investigators.

May 1: Dias Kadyrbayev, Azamat Tazhayakov, and Robel Phillipos – college friends of Tsarnaev’s – are charged with impeding the federal investigation of the bombings.

July 17: A Rolling Stone cover features what many call a glamorous photo of Tsarnaev.

July 18: In reaction to the Rolling Stone cover, a tactical photographer for the Massachusetts State Police leaks photos of Tsarnaev’s capture.


Jan. 30: Attorney General Eric Holder announces that prosecutors will seek the death penalty for Tsarnaev.

April 17: ABC News releases images of an anti-American note written in the boat where Tsarnaev was captured.

April 21: The Boston Marathon features a larger-than-usual field of about 36,000 runners and many stories of recovery and achievement.

July 21: Tazhayakov is found guilty of obstructing justice and conspiring to obstruct justice.

Aug. 21: Kadyrbayev pleads guilty to charges of obstructing justice and conspiring to obstruct justice.

Sept. 24: District Judge George O’Toole delays the start of the Tsarnaev trial to 2015 and denies a request to move the trial from Boston.

Oct. 28: Phillipos is found guilty of lying to investigators.

Jan. 31: Judge O'Toole denies a motion by the defense team to seek a delay, and for the second time denies a request for a change of venue.


Jan. 5: Jury selection in the Tsarnaev trial is scheduled to begin.

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