were no warning signs missed. we get more from cnn's paul vercammen in san bernardino. >> reporter: fbi director james comey said years before the attacks, tashfeen malik and syed rizwan farook were showing signs of commitment to jihad and martrydom, but the messages were direct and private. comey said it was difficult to see the threat of isis because of encryption and hidden messages. he also said that there were no signs or indications or direct links between the san bernardino couple and overseas terrorist organizations. >> we still see in san bernardino no indication of direct contact with foreign terrorist organization, obviously that would include 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 of some sort or there were other parts to this plan.