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In this undated photo provided by the Martin family, Trayvon Martin holds an unidentified baby. Martin, 17 of Miami Springs, Fla., was killed by a neighborhood watchman following an altercation in Sanford, Fla. as he walked from a convenience store in February, 2012. (AP Photo/Martin Family, File)

Shellie Zimmerman

The wife of George Zimmerman

pleaded not guilty on Friday, July 26, to a perjury charge after Florida

prosecutors alleged she lied about their family's finances during a bond

hearing in the case of her husband's shooting of black teenager Trayvon Martin.