Just then, as Steven and Officer Randy arrived, Steven stole the deputy""s gun and fired multiple shots into Robert""s head and body, to protect Jessica.When Riggs was overtaken by the thugs, Cole defended him with hand-to-hand, kicking and martial arts skills.The infamous MacGuffin in this Hitchcock film is the identity of the thief.The stylish film""s screenplay, by John Michael Hayes (in his second project with Hitchcock), was based on the novel of he same name by David Dodge.He faints into a chair at the sight of food.He has the perfect media profile to impersonate "John Doe":He""s perfect, a baseball player.What could be more American?...that face is wonderful.They""ll believe him...That""s our man, he""s made-to-order.[A desire to return to baseball, after receiving the promise of a contract to have his injured pitching arm repaired by "bone-setter Brown," is the main motivation for Willoughby to accept his assignment and engage in the deal - it shows that he is corruptible.