There is a wealth of information on the group - got to try different spellings, i.e. Persian vs. English pronunciation and alphabet can be challenging.
Here are a few previous articles regarding the group.
http://jamestown.org/terrorism/news/article.php?issue_id=3782
http://www.timesonline.co.uk/article/0,,251-1970785,00.html
http://www.telegraph.co.uk/news/main.jhtml?xml=/news/2006/01/15/wiran15.xml
Thank you.