Subpoenas could shed light on how Jan. 6 rally came together

In this Jan. 6, 2021, file photo, the face of President Donald Trump appears on large screens as supporters participate in a rally in Washington. The House committee investigating the violent Jan. 6 Capitol insurrection, with its latest round of subpoenas in September 2021, may uncover the degree to which former President Donald Trump, his campaign and White House were involved in planning the rally that preceded the riot, which had been billed as a grassroots demonstration. (AP Photo/John Minchillo, File)