they came out and said we think richard ricci is by far the most important person in this. >> ricci hadts worried police would close the investigation. that meant the search would come to an end, leaving elizabeth and her abductor still out there. >> do you think that salt lake city police were doing enough to find elizabeth? >> i think the salt lake city police did more to find elizabeth than probably any single case they had ever had in their life, but obviously something happened there when the police -- particularly when we found out who we thought really did do it, and they wouldn't give us the time of day. yeah, at that point we had a serious problem. >> and this is what i could remember of him. >> the smarts were desperate to keep the search alive. so they held a press conference, releasing a sketch of emanuel. a crucial tip came in. emanuel was really brian david mitchell. ed called the only person he knew could help. his new friend, john walsh. >> he said john, police want to close this case. they say richard ricci killed elizabeth, her body is buried in the desert somewhere. i