[https://www.nytimes.com/2021/06/30/us/jan-6-capitol-attack-takeaways.html?action=click&module=Top%20Stories&pgtype=Homepage](https://www.nytimes.com/2021/06/30/us/jan-6-capitol-attack-takeaways.html?action=click&module=Top%20Stories&pgtype=Homepage) >"The Times analyzed thousands of videos from the Jan. 6 attack on the U.S. Capitol Building to understand how it happened — and why. Here are some of the key findings."