They were not afraid of what he knew now, only desirous of not being seen. Confident as to this, he retreated openly, without making the slightest effort to conceal his movements, until he had regained the scene of murder. In evidence of the truth of his theory no further shots were fired, and although he watched that opposite sand bank carefully, not the slightest movement revealed the presence of others. That every motion he made was being observed by keen eyes he had no doubt, but this knowledge did not disconcert him, now that he felt convinced fear of revealment would keep his watchers at a safe distance.