PBS NewsHour | Clip | Rep. Thompson on progress in Jan. 6 attack investigation
While the disturbing scenes of the Jan. 6 insurrection were captured by witnesses and the media, many unknowns still exist. Among them, the actions of President Donald Trump who was silent for more than three hours. The bipartisan House committee investigating the attack aims to find out why. Mississippi Rep. Bennie Thompson, a Democrat who chairs the committee, joins Judy Woodruff with more.