it was dusk that monday in montana after the weekend murder of dr. bryan rein when investigators drove out to a farm 11 miles east of geraldine. here agent ken thompson and the local undersheriff intended to confront 23-year-old tom jaraczeski, the young man who'd lost in love and didn't take it well. when you arrived, what was his demeanor? >> oh, i think his demeanor was to be helpful. he was welcoming, very polite. >> when my mom told me about bryan, one of the first things i thought of, oh, everybody's going to suspect me, the ex-boyfriend, but that is not the case at all. >> reporter: tom jaraczeski admitted loving ann and being upset when he heard another man, dr. rein, leave a phone message for his live-in girlfriend. >> so what i did is i called ann right away and i said, oh, you got a call here from bryan, and she didn't say anything. and i said, so what the hell's going on?