Filmmakers Hugh Miles and Mitchell Kelly succeed in filming snow leopards mating, an event that has never been captured on film before. The filmmakers defy death while pursuing this legendary big cat in Silent Roar: Searching for the Snow Leopard -- the first film to capture the mysterious and intimate behavior of the snow leopard. Tune in Sunday, June 17 at 8 p.m. (ET) on PBS (check local listings) to watch the program.
