ROTA (Rondas Ostensivas Tobias de Aguiar) from São Paulo's PMESP.
ROTA is a special police battalion which is responsible for a fast and flexible reaction.
Used mostly against Riots, Civil Unrests, Bank Robbery, and drug trafficking, it's specialized in patrolling high risks areas in the city of São Paulo ( the favelas).
They are known for a very aggressive ( but very effective) approach, is the most feared and successful police battalion in the state of São Paulo. They are recognizable by the traditional Black Beret.