Senate hearing focuses on how security threats have changed in the 20 years since 9/11

The Senate Homeland Security Committee held a "Worldwide Threats" hearing Tuesday morning as lawmakers try to understand how national security has changed in the 20 years since the 9/11 terror attacks. CBS News Homeland Security and Justice reporter Nicole Sganga spoke with CBSN’s Tanya Rivero about the hearing, at which Homeland Security Secretary Alejandro Mayorkas, National Counterterrorism Center Director Christine Abizaid, and FBI Director Christopher Wray testified.

CBSN is CBS News’ 24/7 digital streaming news service featuring live, anchored coverage available for free across all platforms. Launched in November 2014, the service is a premier destination for breaking news and original storytelling from the deep bench of CBS News correspondents and reporters. CBSN features the top stories of the day as well as deep dives into key issues facing the nation and the world. CBSN has also expanded to launch local news streaming services in major markets across the country. CBSN is currently available on and the CBS News app across more than 20 platforms, as well as the Paramount+ subscription service.

Subscribe to the CBS News YouTube channel:​
Watch CBSN live:​
Download the CBS News app:​
Follow CBS News on Instagram:​
Like CBS News on Facebook:​
Follow CBS News on Twitter:​
Subscribe to our newsletters:​
Try Paramount+ free:

For video licensing inquiries, contact: