Though they apparently were authorized to transport passengers in Niteroi and neighboring Sao Goncalo, the suspects were not allowed to operate the van in Rio, he said.

NPR: Rape, Kidnap Of Tourists Feed Rio Safety Fears

"We want to prove to people that with new technologies it is easier to keep older people living at home, even if they are a bit dependent, " exhibition organizer Goncalo Areia told AFP.

CNN: High-tech home makes aging graceful

Marta Dominguez, head of a police unit for female victims in the city of Niteroi was replaced for failing to investigate that case properly, while Martha Pereira, an investigator in nearby Sao Goncalo, was ousted for not helping the Brazilian victim fast enough.

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

In one study conducted by organizational psychologists Jennifer Mueller, Jack Goncalo, and Dishan Kamdar, 55 employees rated the responses of nearly 300 of their (unidentified) coworkers to a problem-solving task for both creativity (the extent to which their ideas were novel and useful) and as evidence of leadership potential.

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