Who did it?

Who did it?! (Fantasia #20) The stories (who did it?) Occupy a prominent place in adventure literature, especially when the dead are many, and the question marks crowd, but that the Belgian Poiro (Poiro), the British (Holmes), and the French (Megrie) meet to solve the mystery to solve the mystery. And the American (Queen); This is a unique situation that only happens in (fantasy) ..!