True crime is a genre of literature, film, and television that tells the story of real-life crimes. The genre has become increasingly popular in recent years, spawning a variety of synonyms that are used to describe it. One of the most common synonyms for true crime is "crime nonfiction," which refers to books, documentaries, and podcasts that present factual accounts of real crimes. Another term commonly used to describe this genre is "criminal history," which implies a deeper exploration of the social and historical context surrounding a crime. Some writers also use the term "criminal biography" to describe true crime books that focus on the lives of notorious criminals. Other synonyms for true crime include "forensic crime writing," "crime journalism," and "criminal investigation literature".