The Committee on Oversight and Reform is the main investigative committee in the U.S. House of Representatives. It has authority to investigate the subjects within theCommittee's legislative jurisdiction as well as “any matter” within the jurisdiction of the other standing House Committees.
Committee Jurisdiction | House Committee on Oversight and Reform
https://oversight.house.gov/about/committee-jurisdiction
Committee Jurisdiction | House Committee on Oversight and Reform
https://oversight.house.gov/about/committee-jurisdiction