Religion: Death in Grindstone Canyon

The New Tribes Mission is not for the frail of body or the faint of heart. Its members specialize in unfriendly aborigines and dangerous terrain; they come from any denomination of Protestantism, and their aim is to go where other missionaries have not gone before them. Founded in 1942 by Paul W. Fleming, a onetime missionary to Malaya, the New Tribes Mission has already suffered more than its share of dramatic accidents: five of its missionaries were killed by Bolivian savages in 1943; in June 1950, a New Tribes plane crashed in Venezuela killing 15 missionaries and their children, and five...