EXCLUSIVE — Rep. James Comer (R-KY), House Oversight Committee chairman, is expanding his investigation into Gov. Tim Walz‘s (D-MN) ties to China, citing a recent Washington Examiner report on Walz promoting a China-linked research institute.

In a letter Thursday to FBI Director Christopher Wray, Comer raised concerns over Walz’s promotion, as Minnesota’s governor, of a group called the Hormel Institute, which the Washington Examiner reported in September partners with the Wuhan Institute of Virology. The top Republican is re-upping his request from August for the agency to turn over any documents on Chinese entities Walz has reportedly been linked to over the years