# Tag: Brazil refinery investigation

- [Refit Targeted in R$52 Billion Federal Police Operation](https://brazilstockguide.com/insights/refit-targeted-in-r52-billion-federal-police-operation/) (2026-05-15): Investigation into Ricardo Magro’s fuel empire turns former Manguinhos refinery tax dispute into a federal case involving alleged fraud, hidden assets, offshore flows and organized crime.