doug bradford. they asked donna about him and she vaguely remembered something lynne mentioned in a letter. >> saying that doug was no longer coming to the wedding. >> okay. >> and he was on the backburner. i put it out of my mind because i had all this wedding to organize. i knew -- obviously, he didn't light her fire too much. >>reporter: this was the first bit of heat on a cold trail. they gave doug a call. he lived with his parents. he sounded shy but agreed to meet at the house where, it turned out, doug bradford had a lot to say. coming up -- it's the kind of tricks cops always use in a movie. >> they are not going to tell him that she's dead. when'dateline'continues. skip the rinse and load your dishes. 24 hours later when your dishwasher is full, let finish quantum clean your dishes. ♪♪ try finish quantum. unbeatable clean. unbeatable price. (swords clashing) -had enough? -no... arthritis. here. aspercreme arthritis. full prescription-strength? reduces inflammation? thank the gods. don't than