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Gallery: More photos from Boston explosion

Apr. 16, 2013 @ 01:16 PM

Investigators believe the two bombs that ripped through the crowds at the Boston Marathon, killing three people and wounding more than 170, were fashioned out of pressure cookers and packed with shards of metal, nails and ball bearings.


0416 marathon 08

Jane Sherman, right, speaks with reporters about her neighbors, the Richard family, in the Dorchester neighborhood of Boston,Tuesday, April 16, 2013. Martin Richard, 8, was killed in Mondays bombing at the finish line of the Boston Marathon. (AP Photo/Michael Dwyer)

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