Obama promises cooperation with Iran on LevinsonObama says the United States and Iran would “deepen cooperation” in efforts to locate former FBI agent Robert Levinson.
Robert Levinson, US citizen, left behind in IranThe prisoner exchange pointedly did not include a Jewish American, whose complicated and patriotic story can be read in the link embedded in the article.
Hostage's family 'devastated' Iran didn't free himIran released four Americans in a prisoner exchange, but Jewish-American Robert Levinson is not among them.
Iran releases 4 Americans in prisoner swap with USJason Rezaian, Amir Hekmati, Saeed Abedini and Nosratollah Khosrawi freed - but Robert Levinson still imprisoned in Iran.
FBI Increases Reward for Return of Missing AgentFBI increases the reward to $5 million for the “safe return” of former agent Robert Levinson, who disappeared in Iran eight years ago.
Former CIA Agent 'Definitely Held by Iran'Retired FBI agent and CIA contractor was detained by Iranian police, says an eyewitness to his arrest.
Report: American Captured in Iran Was CIA AgentRobert Levinson, who went missing in 2007 in Iran, was on mission for 'rogue' CIA analyst reveals new report against US denials.
US Appeals to Iran to Release Captive AmericansMen believed to be held by the Islamic Republic include Robert Levinson, who is the longest-held American hostage in US history.
Kerry: U.S. Working to Free Alan GrossWashington is seeking to free two U.S. citizens held in Cuba and Iran, but has rejected a swap deal with Havana, says Kerry.