how did you approach tricia reitler? because i didn't want him to think i was piling on. lester holt: so he carefully plotted his next move. days later, he thought the time was right. he tried that hometown newspaper ploy again. i said, you know, the newspaper say that you killed this girl from the college over here. i says, you know, what happened there? lester holt: jimmy couldn't be sure how hall would react. had he been too blunt, too direct? no, it was all clicking. according to jimmy, hall began to open up about tricia and said he drove his van right up to her that day he saw her outside school. he said that he tried to kiss her, and when he did, that she started fighting very violently. and he said she was a very strong girl, and she fought stronger than anybody had ever fought before. and did he admit it? he said that he had killed her and he knew he had done it again-- and these are his words-- that he knew he had done it again. and he said he went way out in the woods and he buried her way out in the woods. les