Editor's Note: Just after The Wire published this story, Desmond Shum said in an interview with NPR that Whitney Duan, his ex-wife who he had not heard from in four years, called to press him not to go ahead with publication of his book, Red Roulette. She had disappeared and had likely been arrested by the state on corruption charges. Their 12-year-old son had not heard from his mother in four years, until the call over the weekend. Desmond suspects she is still in detention but is being pressur