What is the Church of Satan and How Do I Get Involved? (see the PO Box at the bottom)
I clicked around your link and ended up here. Maybe you all have done this already, if so excuse my coming late to the party.
http://m.mixedmartialarts.com/mma-forum/2111438/Adam-Lanza-was-a-DEVIL-WORSHIPPER/1
I don’t think this is an important link. Sounds more like kids trying to look smart. Nevertheless, there may be something to the devil worshiper angle.