A detective is a professional who investigates and solves crimes, often working for law enforcement agencies. They gather evidence, interview witnesses, and analyze information to uncover the truth behind criminal activities. Detectives play a crucial role in the justice system, ensuring that justice is served and that criminals are brought to account. In literature and film, detectives are often portrayed as clever and resourceful characters, such as Sherlock Holmes or Hercule Poirot. These fictional detectives use their intellect and intuition to solve complex mysteries, captivating audiences with their adventures and problem-solving skills.