A controversial plan by police in a northern Chinese city to build a crime-fighting tool using blood samples from men has sparked a debate over privacy rights.
Police in Xilinhot in Inner Mongolia announced last month that they would start collecting DNA samples to update a data bank for identification information used for such items as ID cards and passports, according to a report by China Newsweek magazine.
The police also said at the time that the samples would help in “preventing elderly and…