"overbeck is said to have been asked to dispose of the infant's body which he said was inside a boated from the aisenberg's home." >> they're desperate. we love to solve these cold cases but when you have the answer coming from some guy who has been sitting in jail, i mean, why didn't he come forward before? >> exactly. >> eventually barry cohen and his other attorneys went and got statements from the two men who were involved. >> reporter: what did you find out from him? >> he was all over the place. he was just a junkie. we knew he was lying. >> i mean all you have to do is check public records for boat ownership and see that we never owned a boat. so i mean, the whole story was another one of these fabricated stories to try and disparage marlene and myself. >> reporter: did you know overbeck or did you know -- >> never. >> never heard the -- >> reporter: and like so many jaihouse confessions this one turns out to be bogus. after months of digging, the sheriff's office admits it's a dead end when overbeck recants his story. >> it was very surprising that the hillsborough law enforc