Wolf Blitzer delivers the most important breaking news and political, international, and national security stories of the day. Tune to The Situation Room weekdays 5-7pm ET on CNN.
Americans are being urged to be vigilant this holiday season. Barbara Starr reports.
Washington (CNN) - Homeland Security Secretary Jeh Johnson blasted Rep. Duncan Hunter's suggestion that ISIS fighters have crossed the United States' southern border into Texas.
"Let's not unduly create fear and anxiety in the public by passing on speculation and rumor," Johnson said Wednesday on CNN's "Situation Room."
Hunter, a California Republican, claimed on Fox News on Tuesday night that he'd learned from Border Patrol officers that at least 10 ISIS fighters had been caught trying to cross the Mexican border - and that "you know there's going to be dozens more that did not get caught by the Border Patrol." Full story
As the director of the Secret Service resigns amidst a security breach, the administration starts to seek a replacement.
U.S. Secy. of Homeland Security Jeh Johnson talks to Wolf Blitzer about whether Americans are fighting in Syria.
CNN's Dana Bash reports on CPAC 2014 and the GOP's differing opinions on national security.
A Southern Poverty Law Center report accuses a Homeland Security employee of going online to promote a race war on whites. CNN's Joe Johns reports.
Wolf Blitzer speaks with the Homeland Security spokeswoman for Tensas Parish, Louisiana, after a gunman takes three employees hostage inside a bank in St. Joseph.
Wolf Blitzer asks Peter Bergen & Walter Isaacson if our national security is at risk in wake of the Colorado shooting.
Wolf Blitzer asks former Rep. Jane Harman and former Homeland Security secretary Michael Chertoff about the future of homeland security and the biggest threats to the U.S.