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?
Trump bashes immigration and justice system after New York City vehicle attack
Juliette Kayyem, foreign affairs columnist for the Boston Globe, and a former homeland security official, says there are many unanswered questions in the case.
Community Policing ‘Key’ to Preventing Violent Extremism
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.