https://www.reuters.com/article/us-facebook-security-exclusive/u-s-allies-urge-facebook-not-to-encrypt-messages-as-they-fight-child-abuse-terrorism-idUSKBN1WI22L >The United States and allies are seizing on Facebook Inc's plan to apply end-to-end encryption across its messaging services to press for major changes to a practice long opposed by law enforcement, saying it hinders the fight against child abuse and terrorism.