Ex-prisoner's advice to freed hikers

A trip to Iran to learn more about her family's ancestry became a nightmare for American journalist Roxana Saberi. In January 2009, several men showed up at the Iranian-American's door and carted her off to Evin Prison, the notoriously brutal lockup outside Tehran where three American hikers were recently imprisoned. Like Josh Fattal, Sarah Shourd and Shane Bauer, Saberi was accused of being a spy for the U.S.

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