In the days before the insurrection attempt on the Capitol, alternative social media site Gab was lighting up about it.
Some of the discussion on the social media, which is popular among Trump diehards, veered into a level of specificity that caused alarm among outside observers.
"There were directions provided on Gab for which streets to take to avoid the police," said Jonathan Greenblatt, chief executive of the Anti-Defamation League. "And which tools to use to help pry open the doors."