Did Donald Trump break the law in his attempt to stay in power after 2020? That's what the Jan. 6 House committee is trying to prove — with lots of evidence and dozens of witnesses, including some of Trump's closest allies and even family. This week, Republican state representatives from Arizona and Georgia testified that Trump tried to pressure them to find votes and overturn the election. This week, on the fourth official day of public hearings, more evidence was presented showing the lengths Trump, and some in his inner circle, went through to push the "big lie" that the 2020 election was rigged.

Today on Front Burner, the Washington Post's Aaron Blake — on the evidence, the unanswered questions and what it would take for a criminal indictment against the former president.