Investigators have discovered a prosthetic leg that matches the description of the one worn by missing disabled girl Zahra Baker, police announced today. The leg was discovered in a "brushy area," but was not buried, off a road in Caldwell County, N.C., late Tuesday afternoon, Hickory Police Chief Tom Adkins said in a news conference. The find was made a few miles from a former home of Zahra's stepmother, Elisa Baker