Cole James Bridges believed he was communicating with Islamic State; provided detailed instructions on tactics for terror attacks, including on American soldiers in Mideast

Arrest warrant fro Riley June Williams of Pennsylvania quotes her former partner as saying she tried to sell it to the SVR foreign intelligence agency, but plan fell through

Despite concerns following storming of Capitol, military brass has seen no evidence of any threats from 25,000 soldiers sent to DC; officials say probe has not flagged any issues

Over 70 arrests made of rioters who participated in assault on Capitol, as Washington DC shuts down to combat threat posed by extremist Trump backers a week before Biden sworn in

Experts say siege on Congress was culmination of years of increasing US radicalization. And it's not about to stop

FBI says 160 cases opened so far are 'tip of the iceberg;' some to face felony charges of sedition and conspiracy that carry sentences of up to 20 years

Washington Post details document from Norfolk field office warning that extremists were preparing to assault Congress, engage in 'war'

After deadly Capitol assault, bulletin warns of extremists gathering ahead of Biden's inauguration, cites a call to 'storm' buildings, reports 'threats' to Biden, Harris, Pelosi

Jake Angeli and Adam Johnson hit with violent entry and other charges; dozens more held in deadly storming of US Capitol; officials say many more cases being probed

Those facing federal charges include West Virginia lawmaker, suspect who constructed bombs made to act like 'homemade napalm' and man who broke into Pelosi's office