ever. >> he also stayed in touch with marie's husband, andre jackson. yes. he was my dad. you know, that was the only father i had, and i missed him. >> meanwhile, the rest of marie's family wondered if andre knew more about her death than he was saying. they believed police had those same questions. but andre had never been arrested. and then came that letter, which changed everything. handwritten or typed? >> it was typed. >> the unsigned letter read in part, "it is very unlikely that the individual or individuals responsible for her death will be brought to justice. although you may be receiving lip service from her former office, believe me when i tell you that the agency has literally placed her death on the back burner. the agency, of course, meant marie's secret employer, the central intelligence agency. >> she worked for them, and they never offered a reward for her, any information regarding her case or anything. >> the letter continued, "her former colleagues at work have been placed una by their office. they have ordered these people to cease