despite reports that the driver being a refugee were wrong, far right leaders are casting blame on merkel for the attack. >> aaron cohen is with us. he's a former member of israel's counterterrorist unit. thanks for being with us. law enforcement can't track anyone. you have a failed asylum seeker, facing deportation. links to a known isis recruiter. he had been under surveillance. they thought pe he was involved with a burglary. >> this is not just a face in the crowd. this is somebody who german authorities were looking at. it's not just german authorities. there's so many countries across europe. for interpol to centralize that information, they are a key ingredient with that.