Detective Work

Hercule Poirot he was in the show called "The Mysterious Affair at Styles". He was a retired policeman and "was a refugee in England during the World War I". To solve his mysteries he used grey blood cells it is very weird but that's his own little way of figuring out what happened. In the article it says "Poirot was involved in a number of unforgettable novels including Murder on the Orient express, Death on the Nile and The Murder of Roger Ackroyd". He was a very famous person and he seemed like he cracked great mysteries!

http://www.enkivillage.com/famous-detectives.html