One of the weirdest suggestions for discovering Jack the Ripper’s identity was to look deep into the dead victims’ eyes. The theory was that there would still be an image of the last thing the dead person saw still latent within their eyes. All that was needed was to figure out a method for developing that latent image. That would be similar to developing a latent photographic image from an exposed photographic film.
As with the clues from my previous blogs:
This clue leads to one person who is multiply involved with that seemingly innocuous clue.