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Associated Press
This image made on Friday, April 19, 2013 from the a post on the imgur.com online image hosting service by user "gdhdshdhd" shows analyses overlaid on photographs of the site in Boston where one of two explosives were detonated at the finish line of Monday's Boston Marathon. "I'm seeing a lot of confusion and misinformation from news sites about where each bomb was detonated. After combing through the photos I've seen, I believe I've been able to make a solid case as to their exact location, where 'exact' in this case has an error margin of about 2-meters," user "gdhdshdhd" said. (AP Photo)

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