rachel buffett's fiance, dan wozniak. ng up -- detectives want to talk to dan. >> what's going through my head is shock, this is probably a huge mistake. >> and dan has quite a story to tell. >> when "dateline" continues. >> welcome back. police believe sam herr murdered julie kibishi in cold blood, then went on the lam. it was an all-out manhunt. that's when the story took a turn. detectives discovered that sam's neighbor, dan wozniak, might be wrapped up in the mystery. now they were about to bring dan in for questioning, where he would make a stunning admission and change the course of the entire investigation. once again, here's josh mankiewicz with "final curtain." >> detectives on the hunt for their prime suspect, sam herr, traced his atm card to rachel buffett's fiance, dan wozniak. they found him at his bachelor party. >> immediately when he saw me, he turned pale. you could see the blood draining from his face. >> he hauled dan to the station and charged him with accessory to murder. he said while drunk and on dru