couple under the radar, they did have a six-month-old daughter who's currently in child protective custody. and now for the latest on the investigation, i'm joined by nbc's blake mccoy, again standing right where the fbi local official was yesterday, and we heard then from james comey about what the national fbi is doing, what can you tell us? >> it was here that that handoff occurred from local authorities to federal authorities now that the fbi has taken over. we know hundreds of fbi agents overseas and here at home are working on this investigation. the one s overseas are looking into the travel history of that wife who we know was a pakistani citizen and they're also looking into the electronic foot prints of the two, trying to take those hard drives and whatever information they have been able to find and piecing together information. they do believe electronic