ever. >> he also stayed in touch with marie's husband, andre jackson. >> you still felt a connection dad. you know? that was the only father i had, and i miss him. >> meanwhile, the rest of marie's family wondered if andre knew more about her death than he was saying. they believe 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 was very unlikely that the individual or individuals responsible for her death would be brought to justice. although, you may be receiving lip service from her former office. believe me, when i tell you that the agency have 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 are anything. >> the letter continued. her former colleagues at work have been placed under a gag order by their office. they have ordered these people to