Generalist or specialized in a particular field, the profession of journalism imposes on those who practice it the respect of facts, to aim at the general interest and to expose clearly the terms of their bias. This profession is practiced in different media: the press, radio, television, the web; to which is added the news agency. Its various facets remain mainly news journalism, which consists in reporting recent events; investigative journalism, understood as an active research of concrete situations and the confrontation of sources in order to answer a question that concerns the public by demonstrating the origins and the consequences of the problem that arises; the major reportage, which is an in-depth investigation carried out during the armed conflicts or the great events