Timeline: Boston Marathon bombings

Published On: Apr 16 2013 11:30:08 AM CDT   Updated On: Jul 10 2013 03:08:11 PM CDT

With Boston Marathon bombing suspect Dzhokhar Tsarnaev pleading not guilty Wednesday in his first court appearance since being arrested, revisit a timeline of the events in the case so far.

Marathon Timeline - JFK Library fire
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3 p.m. -- A fire breaks at the John F. Kennedy Presidential Library in Boston, but authorities later say it's not related to the bombings.

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