I have read some interesting articles about the Jesuit priest Malachi Martin's book The Keys of this Blood.  The late Martin's books, according to Wikipedia, "frequently present a dark view of the present state of the world, invoking dark spirits, conspiracy, betrayal, heresy, widespread sexual perversion, self-advancement, and demonic possession, each being asserted as rife throughout the Catholic Church, from its lowest levels up to its highest." This is a 3 part review of the book from a Christian viewpoint, written by David Duncan, a lurker at 5Ds. It is well written and thought- provoking. Here are the links in order:
 
http://www.watchermagazine.com/?p=8134
 
http://www.watchermagazine.com/?p=8136
 
http://www.watchermagazine.com/?p=8144