'Yes, definitely, IT'S GEORGIE': Witnesses hear Zimmerman's voice screaming ... Daily Caller SANFORD, FL - JULY 8: Mark Osterman, a friend of George Zimmerman, describes the type of gun Zimmerman owned while testifying, on the 20th day of the Zimmerman trial in Seminole circuit court July 8, 2013 in Sanford, Florida. Zimmerman has been ... |