Peters's Dilemma: Suspecting an affiliation more serious than the robbers that most people believed the strangers to be, should he disclose his belief to others?

Should he attempt to find out why he had been sought out?

Should he attempt to dissuade frightened individuals from withdrawing from his study?

Should he take any action to prevent rumored, and potentially real, recrimination against his cooperating families?

Finally, should he terminate his research?