Boston Marathon Bombings - By the Numbers

Boston Marathon Bombings - By the Numbers

The entire country and perhaps the world were captured by the events starting Monday when two bombs exploded at the Boston Marathon, killing three and injuring 178.

Through the week, the events of the bombings, the investigation and the capture on Friday lead to a dizzying array of numbers - cost of the lockdown, TV ratings and so much more.

Follow the events of the week by the numbers.

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