Russian President Vladimir Putin called President Donald Trump on Sunday to thank the CIA for a tip, which he says thwarted a terrorist attack in the Russian city of St. Petersburg. How unusual is this kind of intelligence-sharing between rivals?
Juliette Kayyem, foreign affairs columnist for the Boston Globe, and a former homeland security official, says there are many unanswered questions in the case.
Former Homeland Security official Juliette Kayyem agrees that creating a new model of community policing could be a key to preventing another attack.
US officials tell news outlets that Tamerlan Tsarnaev had been on two databases of potential terrorists for at least 18 months prior to the Marathon bombings.
Anchor Werman meets with homeland security expert Juliette Kayyem on location in downtown Boston with the latest on the bombing investigation. Werman also talks with longtime foreign correspondent Dina Kraft.
Anchor Marco Werman talks with reporters on the ground after two explosions turned the finish line at the marathon into a crime scene.
The foreign policy issues that come up in presidential debates are not necessarily the ones that will be most relevant for the candidate who wins the election. That's according to Boston Globe foreign affairs columnist Juliette Kayyem.
Anchor Marco Werman discusses national security experts Peter Feaver and Juliette Kayyem what the defense cuts will mean for foreign policy.
The Sept. 11th attacks of 2001 and how homeland security has evolved in the past 10 years.