>> i had no body, i had no witnesses, and i didn't have anything that would show she was actually dead. >> well, i think that, especially now, juries have high expectations. >> the csi speech that so many prosecutors give -- >> absolutely. >> -- in jury selection. >> they expect physical evidence. they want to see a body. >> the two re-examined the 16-year-old file and took a fresh look at a lead from back then that had never panned out. an acquaintance of clifford, someone named robert missy, told police about a disturbing conversation he had with the ex-husband not long before lynne went missing. he said it happened over breakfast at this ihop. >> clifford told them, well, she's never leaving the state with my child. she's going for a boat ride, and she's never coming back. >> this is dynamite for an investigator. >> it was great. we managed to convince missy that he should become our ally. >> in other words, a snitch. missy, a convicted felon on probation at the time, agreed to wear a wire.