how life can change on a dime? >> in the spring of 2006, martha and was burying her husband, a great love, bob mcclancy. by the end of the year though, she had rebuilt her life and had a new partner, chuck. in the meantime, bob sister kathy had questions for martha ann about chuck, but couldn't reach him. what with the state department, travel schedule, and air duties -- >> i wanted to give you the best denim fifth of the doubt, but at the time when i told my oldest sister what was going on, she said oh, there is more to the story. >> kathy still wanted answers about her brother's death but, you know how people can start to sound like broken records? >> i think why family, friends, probably everybody was tired of hearing me say this isn't right, i know something had to have