These “breadcrumbs” are documents and information that have been obtained by agents by hacking specific portals. These media are linked in some way to Hank Johnson. X mentions them in this post.

See Operation Essex post for first set andf also Yik's post

Here is a list current as of October 15, 2014

1. Shelley Keats Museum Rome
2. Speakers' Corner, Hyde Park, London
3. Ramses II, British Museum, London
4. Burg Frankenstein, Germany
original post