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The Social Media Communication Matrix by Beki Winchel, Kenneth D. Plowman

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Chapter 11

Citizen Journalism and Advocacy

The beginning of April 15, 2013, started off without a hitch as ­hundreds of thousands spectators gathered around Boston Marathon’s route to watch the more than 26,000 runners participating that day. However, about five hours into the race, a bomb exploded in the crowd near the finish line. Approximately 12 seconds later, a second bomb exploded. Three people were killed and more than 264 were injured.

Four days later, in the early morning hours of April 19, 2013, the bombing culprits—brothers Tamerlan and Dzhokhar Tsarnaev—hijacked a car in Cambridge, Massachusetts. Although Tamerlan was killed in an encounter with the police that morning, it took authorities until that night to apprehend Dzhokhar, ...

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