Four years after the deadly assault on the US Capitol, two opposing narratives persist about what took place that fateful day. More than 1,500 people have since been criminally indicted in federal court, but President-elect Donald Trump has promised to pardon them all on his first day in office. Our correspondent Fanny Allard met a convicted rioter, a policeman who was injured on January 6, 2021 and a member of the bipartisan committee tasked with investigating the attack.