Amy Siewert, a firearms expert with the Florida Department of Law Enforcement, faces the jury as she demonstrates George Zimmerman's gun during the George Zimmerman trial in Seminole circuit court, in... more 
Amy Siewert, a firearms expert with the Florida Department of Law Enforcement, faces the jury as she demonstrates George Zimmerman's gun during the George Zimmerman trial in Seminole circuit court, in Sanford, Fla., Wednesday, July 3, 2013. Zimmerman is charged with second-degree murder in the fatal shooting of Trayvon Martin, an unarmed teen, in 2012. (AP Photo/Orlando Sentinel, Jacob Langston, Pool) less 
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Associated Press | Photo By Orlando Sentinel, Jacob Langston, Pool
Wed, Jul 3, 2013 8:49 PM EDT