WATCH: Liz Cheney Predicts Subpoena To Force Kevin McCarthy To Spill On Jan 6 Attack

During the January 6th attack on the U.S. Capitol Building, House GOP Leader Kevin McCarthy was reportedly in contact with Donald Trump, still the president at the time. Now one of his House colleagues says that a subpoena is likely, in order to ensure that he tells the whole truth about that conversation.

[Photo by Chip Somodevilla/Getty Images]

ABC News shared an advance clip of an interview with Liz Cheney that will run in full on Sunday. In this short segment, she is asked about GOP Leader McCarthy’s responsibility to share the details of his phone call with a Congressional commission to investigate the insurrection attempt.

Cheney says that McCarthy should testify — and that she believes he’s likely to have his hand forced by a subpoena, in her opinion.

McCarthy has given very mixed messages so far about the content of the phone call he made to Donald Trump that day. As Politifact covers, colleagues say he initially described a call in which he asked Trump to call off his supporters, and Trump scolded him (McCarthy) for not being as upset about the outcome of the election as the insurrectionists were.

According to CNN, lawmakers described McCarthy in a shouting match that included trading expletives with the then-president, asking him, “Who the f*** do you think you’re talking to?” and trying to get Trump to share his concern as supporters broke windows and entered McCarthy’s office.

Later he downplayed this, just pointing out that eventually the attackers left or were removed from the building, and that Trump later made a video asking people to stop and go home.

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