Wife of missing ex-FBI agent arrives in Iran

Christine Levinson (L), wife of an ex-FBI agent Robert Levinson who disappeared in Iran in March 2007, her son Daniel (2nd-L), her sister Susan (2nd-R) and an unidentified official from the Swiss embassy (R) are seen after arriving at Imam Khomeini International Airport in Tehran, Iran on December 18, 2007. Robert Levinson went missing while on a business trip to Iran's southern island of Kish and the Iranian government claims they have no information on his whereabouts. (UPI Photo)