Live coverage endspublished at 21:01 British Summer Time 21 June 2022
Our live coverage of the fourth public hearing of the 6 January committee has now ended.
The next hearing will take place on Thursday.
You can follow the latest updates on what happened today here.
And here's what we learned at last week's hearings.
Today's coverage was brought to you by James Fitzgerald, Sam Cabral, Max Matza and Angelica Casas, with Marianna Brady, Claire Heald and Tom Geoghegan editing.