Ever wonder how some players know exactly where you are at all times ? Its because they are cheating. They can see you threw walls and know where your at and ALLWAYS get the first shot off on you. MP is no fun to play because of this. Watch this video,
http://www.wolfensteinhacks.com/category/wolfenstein-hacks/

I just got done spectating someone who knew where everyone was and was racking up the kills. Punkbuster does not seem to be working. I have it enabled but I still end up in games with cheaters.