Police : Reza ##ei pleaded guilty in plot to kill an Iranian - American dissident . He was allowed to return to Iran , but his deadline to return to U.S. ended months ago . WikiLeaks cable : He had been linked to a previous plot against a fellow dissident . Sadeghnia 's would - be assassin believes he was let go in a prisoner exchange with Iran .
Police : Reza Sadeghnia pleaded guilty in plot to kill an Iranian-American dissident . He was allowed to return to Iran , but his deadline to return to U.S. passed months ago . WikiLeaks cable : He had been linked to a previous plot involving a London dissident . Sadeghnia 's would-be target believes he was let go in a prisoner swap with Iran .