to police as being dark. >> yeah. >> reporter: the pressure is enormous, people are puzzled by clint bobo'snt of the abduction. at the time, tennessee bureau of investigation's terry dicus is heading up the case. >> there were a lot of people that felt very strongly clint was lying, and that clint telling the truth would be the secret to solvin' this case. >> did they tell you they thought your story was strange? >> it was just question, after question, after question. now, of course, they did check me. they said for scratches and so i took my shirt off. >> that was that morning that she disappeared? >> yeah. yeah, that was that morning. >> suspicion was that quickly turned toward you? you were there. >> i was there, yeah. i was there and holly was not there. >> reporter: police search clint's computer, monitor his phone calls, and polygraph him, twice. >> have you told everything you know about that morning -- >> yes. >> that your sister disappeared? >> yes. i have told everything. >> what has it been like to lose one child and have the other child be the focus of so much suspicion? >> i f

clint bobo, her big brother, was a person of great suspicion for a very long time. understandably, the family had a difficult time with that, and as holly's mom told me, it was hard enough to lose one child and have the other child be the target of suspicion was also more than she could bear. vargas,: elizabeth thank you for your time. "20/20" airs tonight on abc7. coming up next, daring to dream big. >> top of the catholic and that is where i am arena. -- top of thei'm a lawyer, and i have clients, and i am proud to do what i do on behalf of my clients. narrator: the clients john adams and his team are so proud to work for? banks accused of money laundering. big corporations accused of defrauding taxpayers. and mortgage lenders accused of unfairly foreclosing on homes. now he wants to be attorney general. john adams: the best attorney general the powerful and well-connected can buy. i'm mark herring, candidate for attorney general, and i sponsored this ad. adrianna: happening tonight, the return of disney on ice, and this year's theme is "dare to dream." you can se