The bureau is combing through more than 100,000 pieces of digital media and expects to open more cases for a range of crimes including murder, sedition and theft of national security information.
Sen. Mark Warner sent letters to 11 wireless communication and social media companies asking them to get ready to hand over content for legal proceedings.
Experts weigh in on the IT security implications after violent rioters stormed Congressional offices, gaining access to unsecured computers and stealing devices.
There was substantial warning ahead of the arrival of the group that violently stormed the U.S. Capitol seeking to overturn the results of the presidential election.