Just the first thing from Google.
http://www.templarhistory.com/switzerland.html
This is historically inaccurate:
From your Google search:
THM: Thank you for talking with us Alan. Since this is a long distance call, let me cut to the chase. You are the co-author of a book, which puts forth a new theory regarding where the Knights Templar went after their suppression. You claim that place was Switzerland. Did the Templars found Switzerland?
Butler: Well of course if you really want to know the ins and outs of this conundrum you will have to read The Warriors and the Bankers, written by Stephen Dafoe and myself.
For the real history of Switzerland: