An "Amateur Sleuth" refers to an individual who investigates crimes or mysteries without formal training or professional status. These characters often possess keen observational skills, curiosity, and a strong sense of justice. They may be motivated by personal connections to the case or a desire to help others, often finding themselves in thrilling situations. Amateur sleuths are commonly found in literature, film, and television, with notable examples including Nancy Drew and Hercule Poirot. Their stories typically involve unraveling complex plots, gathering clues, and solving puzzles, often leading to unexpected twists and resolutions.