Posted: 10:05 PM Last Updated: 26 minutes ago •By: Jacqueline Ingles LAKE MARY, Fla - Lake Mary Police are now questioning the validity of several statements Shellie Zimmerman made when she told 911 dispatchers her estranged husband, George Zimmerman, threatened her and her father at gunpoint Monday afternoon. "We did not find a gun, did not locate a weapon," said Zach Hudson, public information officer with the Lake Mary Police Department. "Nobody ever saw a gun. A gun is not part of this story." Still, a gun was at the crux of the account Shellie Zimmerman provided to 911 dispatchers...