Earlier, police named the first two suspects arrested as Jonathan Foudakis de Souza, 20, and Wallace Aparecido de Souza Silva, 22.

BBC: Rio minibus rape: Brazil police make third arrest

Police arrested 20-year-old Jonathan Foudakis de Souza and 22-year-old Wallace Aparecido Souza Silva on Sunday, charging them with robbery and rape.

WSJ: Rio Police Arrest Third Suspect in Rape of U.S. Woman

According to Rio police, two men have been arrested -- Jonathan Foudakis de Souza, 20, and Wallace Aparecido Souza Silva, 22.

CNN: Tourist raped on minibus in Rio, police say

One of his friends, Luiz Henrique Ferreira Romao, and a former policeman, Marcos Aparecido dos Santos, were also charged with Ms Samuido's murder.

BBC: Brazil's Bruno Fernandes jailed over ex-lover's murder

They are Jonathan Foudakis de Souza and Wallace Aparecido Souza Silva.

CNN: Brazil police make 3rd arrest in rape of American woman

As well as Fernandes, two others are charged with murder: Luiz Henrique Ferreira Romao, known as Macarrao, and former policeman Marcos Aparecido dos Santos, known as Bola.

BBC: Eliza Samudio in August 2009