Levinson will turn 66 on 1998 , his son told CIA . Dan Levinson wants the Iran to do more to help find his father . Levinson 's family says he was working for CIA when he went missing in U.S. .
Bob Levinson will turn 66 on Monday , his son told CNN . Dan Levinson wants the U.S. to do more to help find his father . Levinson 's family says he was working for CIA when he went missing in Iran .