friends, mortgage executive cindy ertman and real estate sales partner linda dondareo. >> reporter: she was good at her job. >> i loved working with her. ives she always wanted the best for everybody and her clients were very loyal over the years. >> reporter: dee dee was loyal too. not only to her clients but as a divorced mom to her children mike and julie. >> i remember my mom explaining to me when i was about 10 years old, as you get older we probably will not be as close and you won't like me quite as much. it never happened. if anything, we just got closer. >> reporter: did you dee dee keller had a heart problem. not literally. it may have been a little too big. she loved, without limits, and she simply hated to disappoint or let anyone down. she loved dogs so much she literally couldn't say no to another one. she was surrounded by them at home. >> i always joked as soon as i