A Look At The Boston Marathon 2013

This timeline is a look back at the events leading up to, during, and after the Boston Marathon bombing of April 2013. Compiled by the BU News Service reporters Jamie Bologna, Justine Hofherr, and Yizi Wang.

Wheelchair competitors start race

Fifty-three wheelchair competitors start, according to BU News Service live blog/Twitter feed.

Boston officials report two dead

Boston officials report at least two dead and over 100 injured. They report that many victims had their legs severed. Senior U.S. officials report that another undetonated bomb was found near the finish line, according to NBC News. The FAA halts all flights in and out of Boston’s Logan International Airport.

MIT Officer Shot and Killed

At 10:30 PM, MIT issued an alert telling students to stay indoors, because of a shooting on campus. MIT police officer Sean Collier, 27, was allegedly killed by the marathon bombing suspects.


The alleged marathon bombers carjack a Mercedes in Cambridge. The car's owner eventually escapes the car, calling 911 and leading to a shootout in Watertown.

Shootout in Watertown

After the carjacking victim escapes, the bombing suspects confronted police in Watertown.

Death of Tamerlan Tsarnaev

At the Watertown shootout, the alleged marathon bombers threw out makeshift bombs and shot at police. The older brother, Tamerlan Tsarnaev, was pronounced dead at Beth Israel Deaconess Medical Center at 1:35 AM, as a result of gunshot wounds and being run over by a car. Hi younger brother escapes on foot.

Boston In Lockdown

Streets are devoid of people, and most businesses are closed, while a city-wide manhunt for Boston marathon bombing suspect Dzhokar Tsarnaev locks down Boston. (Photo by Micaela Bedell)

Police Go Door To Door

Law enforcement members search for Dzhokhar Tsarnaev, a remaining suspect in Boston Marathon bombing, throughout Watertown after the two suspects led police on a chase early this morning. Police systematically search homes in the area with SWAT teams and K-9 units. (Photo by Micaela Bedell/BUNS)

The Search Continues

The search continued most of the day, well into the afternoon. Law enforcement continued to for Dzhokhar Tsarnaev, a remaining suspect in Boston Marathon bombing, throughout Watertown. Police systematically searched homes in the area with SWAT teams and K-9 units. (Photo by Micaela Bedell/BUNS)

Lockdown Is Lifted, Dzhokar Found

Police lift the lockdown order. Suspect Dzhokhar Tsarnaev, 19, had been hiding in a boat in Watertown, Mass. Authorities responded to a call from a Watertown resident, after he saw that a tarp covering his boat had been opened and there was blood on his boat.

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