A crime thriller is a genre of literature and film that focuses on criminal activities, often involving a detective or investigator trying to solve a mystery. These stories typically feature suspenseful plots, unexpected twists, and a sense of urgency as characters race against time to catch a criminal or prevent a crime. Common elements in crime thrillers include murder, heists, and betrayal, often set in gritty urban environments. The genre explores the psychological aspects of crime, delving into the minds of both the criminals and the law enforcement officials. Popular examples include works by authors like Agatha Christie and James Patterson.