german, deutsche mussolini and butcher. >> i have, quote, racist friends, all over the world. >> but rick eaton, has the full blessing of his employer, because he's hunting online racist for the simon weise enthal center. he has asked us not to show all of his face. >> the only way to really find the material is get down in the mud with these people, and join their group. of you don't have to be, you know, rah-rah, let's go blow up an airplane. but you do have to get in there and make comments occasionally. >> the center has identified more than 11,000 hate groups on the internet. a 15% increase from last year. the growth, it says, is fueled by social media. >> extremists of all stripes, in all cultures, are streaming to facebook and similar social networking. with a neighborhood of 400