we are learning new details on the female shooter from san bernardino. this investigation has expanded to pack san where tashfeen malik spent most of her life and authorities looking for any clues to explain the motive behind the deadly massacre and if malik had any ties to terror groups. bill neely joins us now from islamab islamabad, pakistan. is there a clearer picture beginning to emerge? >> reporter: good afternoon. what tashfeen malik did is a complete mystery to her friends, her family and to authorities here in pakistan. who tashfeen malik really is was almost an enigma and almost two maliks. one that the family and friends thought they knew and the other