George Zimmerman confers with his defense counsel, Mark O'Mara (R), Don West (2nd R), and Lorna Truett (background) after working out the wording of instructions for a possible charge of manslaughter during the trial of George Zimmerman in the shooting death of Trayvon Martin at the Seminole County Criminal Justice Center, in Sanford, Florida, July 13, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. REUTERS/Joe Burbank/Pool (UNITED STATES - Tags: CRIME LAW)