In 1997, Rio de Janeiro was shaken by a wave of kidnappings. Security forces call controversial agents to help save the city from thugs and also from the police itself.In 1997, Rio de Janeiro was shaken by a wave of kidnappings. Security forces call controversial agents to help save the city from thugs and also from the police itself.In 1997, Rio de Janeiro was shaken by a wave of kidnappings. Security forces call controversial agents to help save the city from thugs and also from the police itself.