I investigated about history.
It is said in the world that the first detective story is "the homicide of a morgue town" which Edgar Allan Poe announced, and various works have been produced since the announcement of this work.
However, before this work is announced many talks of being regarded as a detective story exist. For example Charles John Huffam Dickens "" And see mingly, there is no settled history.
To establishment of a genre called a detective story, existence of a police organization was large.
In Britain where urbanization progresses quickly, there is also the historical fact that the average citizen's anxiety over a city dark space was increasing in the back side where the hero of a new form who arrests an offender in a hand was born in law.