CAIR is an American front for the muslim brotherhood. They're a designated terrorist group in the U.A.E.
They claim to be a civil rights non profit when they're truly ONLY a muslim rights "non-profit" and i use the term non profit very loosely.
If you support CAIR you are no doubt supporting muslim terrorism.
Here is the most information I know of anywhere regarding CAIR,
www.investigativeproject.org/search.php?cx=007811315508120065319%3A59zy8iq-o_8&cof=FORID%3A9&ie=UTF-8&sa=Search&q=cair
Here are some myths & facts about CAIR, www.investigativeproject.org/profile/180/cair-internet-myths-and-facts-an-ipt-rebuttal
And, here is a extensive report on CAIR, www.investigativeproject.org/profile/172/the-council-on-american-islamic-relations-cair