Detective fiction detective fiction. Doyle attempted to kill the character off after twenty-three stories, but by popular request, he continued to write the Sherlock Holmes series. Sherlock Holmes is not only referenced as the titular character, but has also influenced many other areas outside of detective fiction. For example, the BBC-produced TV series Sherlock gained a very large fandom after first airing in 2010, imbuing a renewed interest in the character in the general public. Because of the popularity of Holmes, Conan Doyle was often regarded as being “as well-known as Queen Victoria”. Hercule Poirot is a fictional Belgian private detective, created
Special Detective Unit Special Detective Unit The Special Detective Unit (SDU) () is the main domestic security agency of the "Garda Síochána", the national police force of the Republic of Ireland, under the aegis of the Crime & Security Branch (CSB). It is the primary counter-terrorism and counter-espionage investigative unit within the state. The Special Detective Unit superseded the Special Branch (which they are still commonly referred to as), which itself replaced the older Criminal Investigation Department (CID), which was founded in 1921. They work in conjunction with the Defence Forces Directorate of Military Intelligence (G2) – the Republic of Ireland's national intelligence