The information will most likely be found in a Responsible Sourcing Policy, Code of Conduct, Sustainability Report or Conflict Minerals Report, and needs to be explicitly related to the minerals chain.
Information gathered in Step 1 includes: the country of origin of minerals and the types of risks and incidents they have identified through their grievance mechanism system, supplier engagement, and the chain of custody and traceability system.
The statement from companies that they "review the information" will not be sufficient for a 'Yes' answer.
The statements can be brief, but must include a description of the review process. In particular, search for Red Flags Assessments (RFA) as a key word.