The problem with the serial killer genre these days is that it takes real skill to do something really original. Alfred Hitchcock, Michael Powell, Charles Laughton, Jonathan Demme, David Fincher and Christopher Nolan all blazed the trail, with movies like 'Psycho,' 'Peeping Tom,' 'Night of the Hunter,' 'Silence of the Lambs,' 'Seven,' 'Zodiac' and 'Insomnia' pushing the boundaries of the genre. But as studios have started to concentrate on money spinning superhero movies, cute animated features and low ball comedies, the genre has started to migrate to TV with shows like Showtime's 'Dexter,' BBC's 'The Fall,' HBO's 'True Detective' and Netflix's 'Mindhunter'. Enter John Lee Hancock with 'The Little Things' - a film which Steven Spielberg was originally linked with as far back as 1993 and Clint Eastwood, Warren Beatty and Danny de Vito also contemplated directing at various st