Sure they have dirt on him. They propably have proof that he is gay.
Also if you want to see the episode goto http://www.xenu.net/.
You can douwnload it there. It is a great site on how insane Scientology is.
(quoted from http://www.earlygirl.com/gbceight.shtml in a conversation about holmes and cruise):
Sarah: That she is in the arms of Cruise at all makes no sense. He's twice her age, half her height, gay, and in a cult.