violent husband and wife stormed into that holiday office event, gunning down 14 people. until now we've heard that syed farook's wife may have radicalized him. but now there is much more information that he was also a follower of isis's ideology. law enforcement sources telling cnn that farook was in touch with people being investigated by the fbi for international terrorism, reaching out to them by phone and social media. also his father is now speaking out. cnn's kyung lah joins us from san bernardino. >> reporter: his father is telling reporters he was a good kid, a quiet kid growing up, but as an adult, increasingly more religious and conservative and in the end, sharing an ideology with isis. sir, do you have a minute to speak with us? syed farook, father of gunman syed rizwan farook, driving away