Now to the chilling pictures of an American hostage just released by his family. He's a former FBI agent who vanished over five years ago believed to be in Iran. ABC's Brian Ross is here with that... See More
Now to the chilling pictures of an American hostage just released by his family. He's a former FBI agent who vanished over five years ago believed to be in Iran. ABC's Brian Ross is here with that story Brian good morning good morning -- the -- receive these photos almost two years ago in the mysterious unmarked email. -- said they decided to make them public now because they fear of people in Washington and Tehran have not -- that -- freedom a priority. Even now the photos of the 64 year old father of seven in -- prison jumpsuit with a long beard and wild gray hair. Are extremely distressing to his children and wife Christine. They're very difficult to look at some of -- -- -- crying to me over the phone about how upset they were to see them again. There are five different photos each stage with a disturbing message by his captors. People involved in the case say the -- with references to Guantanamo are designed to suggest he is being held by al-Qaeda. Although all US officials are certain he is in -- -- Under the control of a cruel group of captors. And it looks a miserable and the like life has been tough right now so it it's just very. Depressing look at the seeing -- lack. It has been almost six years since Levenson a veteran former FBI agent disappeared on the Iranian island of -- Traveling there was a healthy well groomed private investigator. In sharp contrast to how he appears -- And the only sign of life and Levenson who has diabetes came in this hostage video and posted on the Internet a little over a year ago. The family says it held off posting these newly released photos for fear his fate would turn into a partisan campaign issue. Now says his wife Christine they are true waiting for the politicians to act. I wouldn't say dropped the ball but I believe that more can be done. We need people to pay attention every day. Cut off from the world and subterranean cell -- likely does not know that he has a four year old grandchild. Or that his eldest daughter Susan -- getting married next month -- an incredibly sad Brian Ross thank camp.
This transcript has been automatically generated and may not be 100% accurate.