Fence Puzzle

In the packages sent out as a The Rabbit Hole a strange puzzle was included:

Besides a newspaper clipping discussing the disappearance of Frances Austin in late August on one side, with the message “PROOF TO REVIEW” written on the reverse side a strange code was included:

Solution

An extra message (from Paula Lewis) in the INITIATE

Don't fall for their lies. Did you climb the fence, for there is another message.

as well as the fact that some letters are bold in the message of the code:

A little database corruption, and the strangest things end up in the hands of subjects rather than employees

suggests using rail fence cipher

Using a rail fence cipher reveals the hidden message

which led to the Moon Puzzle