we have more from paul vercammen from san bernardino. >> reporter: tashfeen malik and syed rizwan farook were showing signs of terrorist ties, but before they met. it was difficult to see the threat of isis because of encryption or hidden messages. the fbi director says there were no signs or communications or direct links with the couple and overseas terrorist organizations. >> we still see in san bernardino no indication of direct contact with foreign terrorist organization and that would include any direction from foreign terrorist organization. we still have not seen evidence, although we constantly look for it and working on it, that they are part of an organized cell or there were other parts to this plan. >> reporter: comey added there were no signs that the san