The Democratic Republic of Congo has told Apple it believes the iPhone maker's supply chain is using materials linked to militia groups. Apple has been asked to verify that it doesn't use "conflict minerals" in the iPhone Apple and at least most Big Tech manufacturers have long been accused of sourcing tin, tungsten, and tantalum -- the 3T materials -- from regions where that means funding violent groups. In 2020, Apple revealed that it had stopped using 18 smelters and refiners for... Read this story