do. this is one of them. >> reporter: michael shannon has heard that same explanation for more than adecade. and all that time he has been fighting the court case back in maryland michael's sons have been growing up here. 12 long years. 12 years not even seeing a single photograph. but that is about to change. it's 7:05 a.m. sunday morning. the beginning of the school week in cairo. and two boys, appearing to be about 16 and 12, are walking out of the apartment building where nermeen khalifa lives with michael shannon's two sons. khalifa has refused to give cnn a picture of her boys. she has refused to allow the u.s. state department to take a photo of adam and jason. and for a dozen years has denied their father a single image. these undercover pictures, blurred to protect their identities, will be the first michael shannon has seen of his children since august 22nd,