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post blast ATF investigation mss jpm orig_00004924
post blast ATF investigation mss jpm orig_00004924

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    After a blast: How ATF sifts through the pieces

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After a blast: How ATF sifts through the pieces

How do investigators sift through thousands of pieces of debris after an explosion? And what exactly are they looking for?

After a blast: How ATF sifts through the pieces

How do investigators sift through thousands of pieces of debris after an explosion? And what exactly are they looking for?