Original: Members of the Church of Satan, such as Peter H. Gilmore, Peggy Nadramia, Boyd Rice, Adam Parfrey, Diabolos Rex, and musician King Diamond, were active in media appearances to refute allegations of criminal activity.
Simplified: Members of the Church of Satan, such as Peter H. Gilmore, Peggy Nadramia, Boyd Rice, Adam Parfrey, Diabolos Rex, and musician King Diamond, were active in the media  to deny the Church of Satan were criminals.