Brazilian President Luiz Inacio Lula da Silva said he could adopt reciprocal measures after the United States expelled a Brazilian federal police attache indirectly involved in the arrest of Brazil's former intelligence chief Alexandre Ramagem by Immigration and Customs Enforcement on April 13, g1 reported on April 21. On April 20, the U.S. government said, "no foreigner can manipulate our immigration system to circumvent formal extradition requests and extend political persecution" into the U.S. territory.