the author was 20 year old dustin wehde. >> there is no question this is dustin's handwriting?acted him to carry out a shocking mission. kill tracey robbins. the fellow commissioning the crime? it was not other then tracy's first husband, doctor jon witman. surely this was the smoking gun that confirmed exactly what tracy had suggested to investigators so long ago. that her first husband, angry about that bitter custody battle, had been behind the attack. but even though destin had physically right in the journal, investigators did not believe that he offered it. >> it contained personal information about tracey's ex that he would've never known about. that he wants wanted to be a psychiatrist, not a plastic surgeon. and another remark, that he like to play mine games. why would this 20 year old kid in iowa know any of these details about dr. pittman, where is the stuff coming from? >> you've got one or two things, he is either clairvoyant or tracey told him to put it in there. >> you think he's being dictated? >> absolutely, he's described. >> the cold case investigator told t