Former Vice President Mike Pence’s claim to be immune from testifying to a grand jury investigating former President Donald Trump took another well-merited blow over the weekend.

Pence reportedly is citing the clause of the Constitution that says members of Congress “shall not be questioned” outside of Congress regarding legislative “speech or debate.” Because the vice president serves as president of the Senate, meaning he can cast a tiebreaking vote, although he has no other legislative duties, Pence reportedly is claiming his discussions about the counting of presidential electoral votes makes him off limits to grand juries looking into the controversy over the 2020 election.