As I mentioned before, having seen an early image of Gibbs, I think he and Poe may have had a connection…

Edgar Allan Poe - Wikipedia, the free encyclopedia

and the Whites having been in publishing, this led to me have a short lived interest in Poe’s work.  Was it Thompson’s publisher?

The man who photographed the murder victims became a projectionist sometime later.   This of course spawned all kinds of interest in psychology and so forth, by those who would have been in the publisher’s circle of friends.