>> reporter: and they never stopped supporting each other. soon, bob and igor moved into anna's house to grieve together. it was another example of the affection for his adopted son that had always impressed anna's friends. >> bob was essentially the only father that igor has ever known. >> and when igor was sick bob definitely delivered? >> was incredibly, kind, and loving and caring to igor when igor was suffering with, ah, cancer. >> there was a little seven-year old boy has-- really, really rare form of bone cancer. >> reporter: everything bob did was to protect igor even the divorce. anna and bob kept it secret for months -- until igor could finish high school. then they made sure it was amicable -- also for igor. >> she said that "he will be coming often to see igor and we