It´s in the Brazilian press, O Globo newspaper - link below, that both crew (Pilot Joe Lopore and co-pilot Jan palldino) and pax (Henry Yendle, Ralph Michielli, New York Times reporter Joe Sharkey, David Rimmer and Daniel Bachmann) on the Legacy were American.
After being intervied by Brazilian military in the air force base where the jet landed, they were ferried in an Embraer jet to the city of Cuiaba in order to be heard by the police. "O Globo" also reports that all seven only left the plane in Cuiaba about half an hour later, after another Legacy aircraft (carrying the American Vice-consul and an Embraer attorney) landed there.
The link (in Portuguese):
http://oglobo.globo.com/pais/mat/200.../285915657.asp