Gerry Sikorsky and John Bryant, is in Brazil on a fact-finding mission that will include visits to the western states of Amazonas, Rondonia and Acre.
The victims were on a filming expedition of Aguaruna Indians on the Maranon in the northeastern state of Amazonas, according to Julio Quispe, a telephone company official in Chiclayo, 465 miles north of Lima.
"Mestrinho is the biggest fighter I've ever seen,"says Otto Fleck, executive-director of the Amazonas State Industry Center.
Acre state's Technology Foundation is running a unique experiment in forest management on the remote border with Amazonas state.
The mining process, which uses mercury, has been blamed for poisoning rivers and for the deaths of several Yanomami Indians in Venezuela's isolated, largely roadless Amazonas territory.