View of the partially collapsed main pavilion in the Jonestown compound, Guyana, November 28, 1978. Photo: New York Times Co./Neal Boenzi/Getty Images What will visitors see on the tour of Jonestown?

When Tim Reiterman set out to tell the story of the 40th anniversary of the Jonestown mass murders and suicides, he didn’t want to retread territory he’d covered with previous anniversary stories, or ...