Brandy Zadrozny is an investigative reporter for NBC News.
Robert Aaron Long's arrest stunned his church, where he was part of the student ministry.
A new video from anti-vaccination activists adds to what experts have called an effort to "weaponize" the outsize damage Covid-19 has done in communities of color.
Gab's founder announced the breach on Twitter and lashed out at a group of anti-fascist activists that have begun to leak some of the company's user data.
The group was active in last month's U.S. Capitol riots, and it took part in the 2017 Unite the Right rally.
The charges are potentially a tectonic shift in how the federal government tries to enforce laws against election interference.
Twitter said it hopes to build a community of "Birdwatchers" that can eventually help moderate and label tweets in its main product.
"I don't think this is supposed to happen," one QAnon follower posted as Joe Biden was sworn in.
More than a dozen flyers are circulating online promoting pro-Trump rallies at state capitols, according to a social media analysis by NBC News.
Some pro-Trump extremists have used the platforms to suggest skipping local rallies to focus instead on a big turnout in D.C. at Biden's inauguration.
"After close review of recent Tweets from the @realDonaldTrump account and the context around them we have permanently suspended the account due to the risk of further incitement of violence," Twitter's official "Safety" account tweeted.
Flynn and Powell both met with Trump at the White House in recent weeks as part of efforts to overturn the election results.
On Thursday, Washington Police Chief Robert Contee said at a news conference that there was "no intelligence that suggested there would be a breach of the U.S. Capitol."
Social media profiles connected to Ashli Babbitt were almost singularly focused on radical conservative topics and conspiracy theories.
The claims are typical of many that arise during major news events and particularly violent acts; fringe communities often label them "false flag" attacks.
In anticipation of possible violence, Washington Mayor Muriel Bowser has asked residents to stay away from the downtown area where protesters will be marching.
The call offered a look at just how much Trump is now relying on some of the most outlandish theories from obscure corners of the internet to make his case for election fraud.
From California to Maine, local news stations have been giving anti-vaccination activists a platform to spread misinformation.
New research shows the bigger threat to public trust in a Covid-19 vaccine comes from smaller, better-connected Facebook groups.
A dizzying array of false claims and conspiracy theories have dominated social and ultraconservative media since the early morning after Election Day.
Authorities identified the men on Friday night as Joshua Macias and Antonio Lamotta, both of Chesapeake, Va.
The group expanded at a rapid pace Thursday morning, topping out at about 350,000 profiles, some of them calling for violence.
President Donald Trump's false claims about the election pose a significant challenge for social media companies that appeared to have made it past Election Day.
A 64-page document that was later disseminated by close associates of President Donald Trump appears to be the work of a fake "intelligence firm."
"This is part of an ongoing campaign with far-right groups associated with the Catholic Church," one expert said.
Pizzagate-style rumors in 2016 were largely confined to far-right message boards. This year, they are reaching the mainstream with help from a website boosted by Trump.