Many levels of government collect, publish, and disseminate an extensive amount of information and statistics on a wide range of topics.
Congress, through committees in the House and Senate, investigates many topics of public interest. Committee hearings offer testimony from experts, involved parties, and others as well as reporting Q&A between witnesses and committee members.
For ExxonMobil case study:
For Juul case study:
For Purdue Pharma case study: