larger group than expected. they believe the explosive devices inside the home are related to this attack. two other suspected arrested. the van drive, according to police is not yet in custody. there is a lot here. >> there is a lot going on. when something like this happens, you think, maybe it's an individual. it's a "lone wolf," though that's a terrible phrase. it's a low cost way for mass terrorists to get into a van and run over people. the terrorists last night, the attack and folks on the run, the most important thing, isis comes out and says, two soldiers of the islamic state means this is a much bigger attack or plot than when we saw this happening previously. >> shep: so time is of the