Their faces are instantly recognizable, but John and Patsy Ramsey are famous in a way no one would want. Although they have never been publicly called suspects or charged with the 1996 death of their daughter JonBenet, they are resigned to a painful reality. "We could find the killer tomorrow, he could be arrested, convicted and jailed, and there'd still be 20 per cent of the population would think that we had something to do with it," says John. 48 Hours Investigates is taking a fresh look at the Ramsey case: finding new evidence and new leads, and reporting on the Ramseys' personal story, and their thoughts on what happened in their Boulder, Colo., home on Christmas night in 1996. 48 Hours Investigates will also report on never-before-seen videotapes of the police interrogation of both John and Patsy Ramsey. Erin Moriarty reports.