User [Sonic Decapitation] employing spambot in black metal room

Not sure who to contact about this but this user is spreading some sort of religious manifesto via a spambot that has been running in the room all day. Below are screenshots.

http://i.imgur.com/RZp8dGe.png

http://i.imgur.com/mQbD71m.png

http://i.imgur.com/Z4j2TeT.png

Hope someone can help. Thanks ahead of time.