Start here: this week's segment of Our America, "Pray Away The Gay?" (
http://www.youtube.com/watch?v=fz2t_R0xF9E&feature=fvst ), on the newly-launched Oprah Winfrey Network. "Pray Away The Gay?", by journalist Lisa Ling, showcases Exodus International and its founder, Alan Chambers.
Exodus is one of the leading evangelical Christian "ex-gay" ministries which purport to "cure" homosexuality. How? - Well, judging by material recently expunged from the Exodus International website, one method in the Exodus de-gaying toolkit, whether the ministry is willing to acknowledge it or not, would seem to be exorcism. Of demons, that is. "Gay demons", to be specific.
{video, below: Truth Wins Out founder Wayne Besen calls on the Oprah network to pull Lisa Ling's "Pray Away The Gay?" segment, from Ling's "Our America" series. And "Ex-gay" ministries? - see this 12-page booklet {Google document format
http://docs.google.com/viewer?a=v&q=cache:hNDOhXIPN5wJ:www.truthwinsout.org/wp-content/uploads/2009/02/exgay_booklet1.pdf+%22Pray+Aaway+The+Gay%3F%22&hl=en&gl=us&pid=bl&srcid=ADGEESgbdiu8RUdKpDSEWPS07jdRbFJCUncSxMrq_u4vUM6evMmZZHIvSyeTftcngvxTVRV4vKXLZLWQLB2qfJX540CiU86jj6dti8OXvAbNm6LbN5Lihnz1bjL5R4G617uFrvjAu-PN&sig=AHIEtbTua2J6LBTqf2oqKHt5HaacVdhgVg } from Truth Wins Out and Lambda Legal.}
http://www.youtube.com/watch?v=jS2MmgeORY8&feature=player_embeddedUntil very recently, Exodus International featured on its web site two articles claiming homosexuality is caused by demon possession (
http://www.google.com/search?ie=UTF-8&oe=UTF-8&sourceid=navclient&gfns=1&q=demon+%22homosexual%22+site%3Ahttp%3A%2F%2Fexodusinternational.org ) . Exodus has wiped both articles, but one is still available on Google cache and the other, a PDF-file article by Esly Regina Carvalho (translated from Portuguese by Kenneth C. Martin) is still available (
http://home.messiah.edu/~chase/h/articles/carvalho.htm ) on other web sites, and some sites still link (
http://www.evangelicalresources.org/homosexuality.shtml ) to the expunged Exodus International web page that featured Carvalho's article, which discusses several distinct evangelical perspectives on the origins of homosexuality, the first of which is that it is caused by demon possession: