A o Jewish inmates in Michigan are keeping the faith. JULIE EDGAR SENIOR WRITER THE DETR OIT JEWI SH NEW S PHOTOS BY GLENN TRIEST 50 any Whitney likens the place to a concen- tration camp. "They turned it into Auschwitz. They didn't use to have all the fences. They had less trouble then," he says indignantly of his home of 30 years, the State Prison of Southern Michigan at Jackson. Mr. Whitney, 64, is sitting in the only cheerful place on the grounds of the Jack- son complex, a grid of drab buildings an- chored by looming guard towers. Shiny concertina wire loops around high metal fences like deadly bracelets. A gray sky clings to the prison like a shroud. A turquoise wall of the Jewish sanctu- ary, housed within a church a few yards away from the solitary confinement build- ing, is imprinted with a white chai and Star of David. On the other side of the room is an ark and two electric menorahs. Legend has it that members of the infa- mous Purple Gang financed the sanctu- ary. Mr. Whitney's tattooed arms are fold - ed across his massive chest. His yellow- tinted eyeglasses match his knitted orange and red yarmulke. A thin, gray ponytail grazes the back of his T-shirt. Sentenced to life in prison in 1967 for first-degree murder, he's been around longer than most. And in this sanctuary, where a dozen inmates gather every Sat- urday afternoon for services and classes with Rabbi Allen Ponn, his eminence is obvious. Mr. Whitney is a self-styled guardian of the faith, filing lawsuits on behalf of re- ligious freedom and checking out the au- thenticity of new inmates who claim to be Jewish. "You know just talking to them for a few seconds. I ask if they like bagels and they say 'Yes.' Then I ask if they like bris and they say Yes.' And I know," he says to rau- cous laughter from the inmates gathered. around him in the sanctuary. "You know who is [Jewish] and who isn't. It's sort of an instinct you have," says