Between 1980 and 1987, American John Reed, Herbert Wanner from Switzerland and Christine Heuser from Sweden set off on separate adventures then disappeared. Heuser was last seen in uly 1987 with Tatunca Nara in Manaus. German journalist Karl Brugger was executed on Jan. 3 1984 in the streets of Rio de Janeiro just days before he was due to start an investigation into the tribal elder who German police believe was behind the killing. Two years earlier he had met with Tatunca Nara in Manaus.