Timeline: Boston Marathon bombings

Published On: Apr 16 2013 11:30:08 AM CDT   Updated On: Jan 05 2015 09:20:15 AM CST

With Boston Marathon bombing suspect Dzhokhar Tsarnaev's trial beginning Monday, revisit a timeline of the events in the case so far.

Marathon Timeline - First Explosion
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2:50 p.m. -- Two blasts go off seconds apart on the north side of Boylston Street near the finish line. The blasts occur about 50 to 100 yards from each other, knocking some runners to the ground.

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