something. >> because why would she leave you for another guy? must be drugs involved? must be something like that something other than just wanting to make a switch? >> yeah, that was my initial impression. >> and all that other stuff? the hang-up phone calls, the stalking, going into her bedroom to read her diary? not great behavior. >> no. it was wrong of me to do that. i wanted to see her thoughts, what she had to say about me, what she had to say about bryan. >> you're having a lot of trouble letting it go? >> i did, yes. there's no manual on how long it takes to get over a relationship, and for me, it took awhile. >> but he swore to us here, as he did when he talked to the investigators way back when, that he had nothing to do with the murder of dr. rein, even though it looked pretty bad for him. >> they told me right away that this happened on a friday night. and i was home alone on friday night. i had no alibi. and so i was kind of stuck. >> although, remember, the medical examiner was unable to settle on a time of death. so despite what the detectives told tom, the murder could have happened on saturday when tom did have an alibi. which made another of the detective's