Taiwan's Nascent Drug Policies Are Being Taken To Task As The Number Of Arrests And Seizures Of Illicit Substances Increases Each Year To pick out users, police have resorted to screening suspected drug users through urine tests and, at least in parts of Taipei, blood tests that look for both drugs and HIV. While the legality of urine tests is debatable, the police's authority to screen for HIV could only be described by John Chang, chief prosecutor of Taoyuan County, as an "administrative decision that is something separate from the law." [continues 2370 words]