The Girl Who Knew Too Much, 1963. Directed by Mario Bava. Starring Letícia Román, John Saxon, Gianni De Benedetto, Valentina Cortese, Titti Tomaino, Luigi Bonos and Robert Buchanan. SYNOPSIS:  A young American witnesses a murder while visiting Rome and inadvertently stumbles upon a serial killer nicknamed the ABC murderer – and  her name begins with a […]