What finally makes him decide to go to Motilone territory?

Ever since Bruce had heard about the Motilones, he felt God wanted him to go to them. Bruce finally decides to go to the Motilone territory because of an article in the newspaper. An oil company employee has discovered more than twenty Motilone dead in a communal home. They had died from measles. The description of the rotting bodies troubles Bruce, and he decides he must go to help. He has studied tropical medicine, and possibly he will be able to help.