700 million men and boys: China builds mega DNA surveillance databaseWe’re sorry, this feature is currently unavailable. We’re working to restore it. Please try again later.DismisscloseAdvertisementBy Log in, or to save articles for later.Normal text sizeLarger text sizeVery large text sizeAdvertisementBeijing: Police are collecting blood samples from men and boys from across China to build a genetic map of its roughly 700 million males, giving authorities a powerful new tool for an emerging high-tech surveillance state.Police have swept across the country since late 2017 to collect enough...…700 million men and boys: China builds mega DNA surveillance databaseWe’re sorry, this feature is currently unavailable. We’re working to restore it. Please try again later.DismisscloseAdvertisementBy Log in, or to save articles for later.Normal text sizeLarger text sizeVery large text sizeAdvertisementBeijing: Police are collecting blood samples from men and boys from across China to build a genetic map of its roughly 700 million males, giving authorities a powerful new tool for an emerging high-tech surveillance state.Police have swept across the country since late 2017 to collect enough...WW…