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Posted on July 10, 2013 at 4:01 PM
Updated Wednesday, Jul 10 at 4:43 PM
His arm in a cast and his face swollen, a blase-looking Dzhokhar Tsarnaev pleaded not guilty Wednesday in the Boston Marathon bombing in a seven-minute proceeding that marked his first public appearance since his capture in mid-April.
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Credit: Katrina Gutierrez / WFAA