didn't. that's the truth. >> subsequently patsy ramsey and burke ramsey's fingerprints were found on that bowl. >> that led to another police theory. >> i'm just wondering if at some point jonbenet came back down to the kitchen, had gotten pineapple out and patsy just lost it. after that it was all cover up. >> and police were still suspicious about the ransom note. the ramseys had submitted multiple handwriting samples. >> john's definitively was cleared >> yours was not? >> mine scored 4.5 out of 5. 5 is no match. >> there are investigators who say patsy ramsey could not be excluded as an author. it's very subjective. >> three months after jonbenet's murder, police were no closer to an arrest. the d.a. made a bold move, hiring veteran homicide detective lou schmidt.