https://www.reuters.com/article/us-mexico-telecoms-focus/kidnap-capital-mexico-eyes-biometric-phone-registry-sparking-privacy-fears-idUSKBN2AG1AK >A plan by Mexican lawmakers to put millions of cell phone users' data in a biometric registry, billed as a tool to fight kidnapping and extortion, has sparked a backlash from telecoms companies and rights groups who warn it could lead to stolen data and higher costs.