Fernando Haddad: I spearheaded, at the Federal Revenue Service — the agency linked to the Ministry of Finance — an operation called Carbono Oculto.
Fernando Haddad: That operation taught Brazil a great deal.
Considered by experts the largest operation to combat organized crime in history.
Desconhecido: But it wasn't necessary to change the Constitution for that, right?
Fernando Haddad: But I'll get to that.