How does an independent, often cynical, investigator uncover and confront pervasive, institutionalized corruption that extends beyond individual crimes?

This thread explores narratives where a protagonist, typically operating outside official structures, delves into seemingly isolated incidents only to reveal a deeper, interconnected network of societal or institutional rot. It originates with the lone detective exposing the rot, evolves into broader critiques of power structures, and can bridge into stories where the investigator becomes a whistleblower or revolutionary figure.