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Counterterrorism expert: This is an extremely complex attack


Michael Leiter served as director of the National Counterterrorism Center under Presidents Obama and Bush.  He's now the Executive Vice President at Leidos, a National Security Technology Company. Shawn Henry served as An Executive Assistant Director of the FBI, he's now the Chief Security Officer for Crowdstrike. Leiter and Henry join TODAY to talk with Matt Lauer and Savannah Guthrie about what’s next for security forces in Paris and here in the US.