The Republican congressman spearheading the investigation into the first family’s finances has accused Treasury Department officials of “operating in bad faith” by preventing his committee from accessing more than 150 bank reports of sketchy transactions tied to first son Hunter Biden.

House Oversight Committee chairman Rep. James Comer (R-Ky.) said the Treasury had made “several excuses” to not comply with his initial Jan. 11 request for so-called “Suspicious Activity Reports” (SARs) — triggered by “unusual foreign or high-dollar transactions” executed by Hunter, first brother James Biden, their associates and related companies.

Comer made the accusations in a Friday letter to Deputy Assistant Secretary for Oversight Isabella More, whom he invited to testify at a March 10 hearing focused on the department’s “various justifications” for not providing the SARs and other documents.