【明報專訊】Over the last two-odd months, five associates of Causeway Bay Books have disappeared, and family members or friends of four of them have reported their disappearance to the police. The way the police have responded is somewhat strange since they seem to know where the missing persons are. As Causeway Bay Books specialises in books banned on the mainland, the five persons' disappearance is politically sensitive, which may explain why the police are handling the matter in a somewhat strange way.