A top House Republican is not satisfied with the Biden administration’s investigation into the origins of the COVID-19 virus that spread from Wuhan, China, to the rest of the world and killed more than 4.5 million people.

Republican Kentucky Rep. James Comer, ranking member on the House Oversight Committee, sent a letter to Director of National Intelligence Avril Haines on Wednesday asking for reports, meeting notes, emails, and raw intelligence that the intelligence community used to develop its assessment.