Retired FBI Special Agent Robert Levin vanished in Iran . Levinson 's family aired their angst and anguish in a statement released Tuesday : . He was working as a private investigator . The " ` ` placed its call on the Government of the Islamic Republic of Iran , '' official says . The FBI is offering $ 1 million for information leading to Levinson 's safe return .
Retired FBI Special Agent Robert Levin vanished in Iran . He was working as a private investigator . The " ` ` placed its call on the Government of the Islamic Republic of Iran , '' official says . The FBI is offering $ 1 million for information leading to Levinson 's safe return .