evidence: The House committee investigating the deadly Jan. 6 attack on the Capitol has conducted more than 1,000 interviews over the course of the past year, seeking critical information and documents from people witness to, or involved in, the violence that day. Those interviews — including from some of Trump’s closest aides and allies — have taken center stage during the committee hearings so far. But the committee has also called a number of new witnesses to offer key details about the timeline of events that day, as well as Trump’s actions in the weeks before it. READ MORE: The Jan. 6 hearings are starting. Here’s how to watch them In the days ahead, advisers to then-Vice President Mike Pence and other former administrative staff may also appear to offer their accounts. Some have already participated in closed-door conversations with the committee; others have been subpoenaed for interviews or records. Here’s a guide to some of the key people who may testify or be discussed heavily throughout the course of the hearings.