Strangers on a Train, Madame Tussaud, WD-40 (S06E02)

Within the Municipal Archives of New York City lies a black and white negative depicting a lethal weapon linked to a chilling act of revenge. Meanwhile, just a short distance away in Times Square, the renowned Madame Tussaud's Wax Museum showcases the figure of a remarkable revolutionary woman. Over in California, the San Diego Air & Space Museum features a prominent missile that inspired the development of a product commonly found in households across the United States.