Detectives are professionals who investigate crimes and gather evidence to solve cases. They often work for law enforcement agencies or as private investigators, using their skills to uncover the truth behind various incidents. Detectives employ various techniques, including interviewing witnesses, analyzing evidence, and conducting surveillance to piece together the details of a case. In popular culture, detectives are often depicted in literature and film, such as Sherlock Holmes and Hercule Poirot. These fictional detectives have captivated audiences with their intellect and problem-solving abilities, inspiring many real-life detectives in their pursuit of justice.