close Video Fox News Flash top headlines for Nov.... 2, 1971, while on loan to the Valley Forge Museum in Montgomery County, Pa.... But while doing some research, he found a reference to the stolen antique in a 1980 book by George Shumway, an expert onlong rifles, Kinzle's lawyer, Jay Robert Stiefel, told The New York Times. Kinzle alerted the FBIsoon after his discovery, ending a deades-long mystery....