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.

Boston Marathon explosion site
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5:27 p.m. -- NBC News reports that there is no information to indicate any additional threats, citing U.S. officials.

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