After repeated futile attempts to convince first the FBI, and then the author and film director Nora Ephron (who he hoped would make a movie about the case), he contacted a private investigator in New York City.
Setelah berulang kali gagal meyakinkan FBI, lalu penulis dan sutradara Nora Ephron (yang dia harap akan membuat film tentang kasus Cooper), dia kemudian menghubungi seorang detektif swasta di New York.