Speech scientist George Doddington, of Walnut Creek, Calif., testifies for the defense during a George Zimmerman pre-trial hearing, in Seminole circuit court in Sanford, Fla. on Saturday, June 8, ... more 
Speech scientist George Doddington, of Walnut Creek, Calif., testifies for the defense during a George Zimmerman pre-trial hearing, in Seminole circuit court in Sanford, Fla. on Saturday, June 8, 2013. Zimmerman has been charged with second-degree murder for the 2012 shooting death of Trayvon Martin. (AP Photo/Orlando Sentinel, Joe Burbank, Pool) less 
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Associated Press | Photo By Orlando Sentinel, Joe Burbank, Pool
Sun, Jun 9, 2013 9:09 AM EDT