A 26-YEAR-OLD woman, let us just call her Wahidah, asked that her real identity be concealed in order to protect her family. 

Four years ago, four plain-clothes Singapore police officers entered the home of her employer in that country. They headed straight to her room and searched it, where they found some burqas and face veils. They also found the evidence they were after: her chat history with a particular man on her cellular phone.