After the attack on the Capitol, social media platforms sprang into action, deleting the accounts of agitators.

Without a central place to congregate, groups have splintered off into other, darker corners of the internet. That could complicate the efforts of law enforcement to track their plans.

We ask whether the crackdown on social media has reduced the risk of violence — or just made it harder to prevent.

Guest: Sheera Frenkel, a cybersecurity reporter for The New York Times.

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Background reading:

• In the days since rioters stormed Capitol Hill, fringe groups like armed militias, QAnon conspiracy theorists and far-right supporters of President Trump have vowed to continue their fight in hundreds of conversations on a range of internet platforms.
• Amazon, Apple and Google have cut off Parler, all but killing the service just as many conservatives were seeking alternatives to Facebook and Twitter.