must ve been. it was hard to go to sleep some nights. reporter: a young woman living on her own. hurt in the middle of the night. she was vulnerable, alone, and in bed. a crime that jolted a sleepy seaside community. killer walking among them. i do not think that it really sets in, that we are all are in a little more danger at that point. reporter: young, fun, and pretty. cory had plenty of admirers. and one of them like to do much. a strange coworker oh my god. i was, i was obsessed. that is scary stuff, right there. exactly. an adoring friend. her statements about how much she loved cory. peaked our interest. and a young man who made some people very uncomfortable. she called him the night creeper. a gallery of potential suspects, piles of evidence, but the truth would only be revealed by a tiny telltale clue. did everyone s jobs drop? my eyes filled with tears. i could not believe it. reporter: welcome to dateline. she was
must have been, it was hard to go to sleep some night. our young woman living on her own, murdered in the middle of the. night she was at her most vulnerable, alone, and embed. a crime that jolted a sleepy seaside community. killer walking among them. i do not think it really sets in that we are all of that point. young, fun, and pretty. cory had plenty of admirers. and one of them like to do much. a strange coworker oh my god. i was, i was obsessed. that is scary stuff, right there. exactly. and a friend. her statements about how much she loved cory. and a young man who made some people very uncomfortable. she called him indict creepers. a gallery of potential suspects, piles of evidence, but the truth would only be revealed by a tiny telltale clue. did raise jobs drop? my eyes filled with tears. i could not believe it. welcome to dateline. she was a 25-year-old woman enjoying her independents, working hard and playing harder. cory par
Kingston and carolyn mediately edit north. they needed to compare their suspect that harris fan poll from the crime scene. you need his dna? absolutely. with the help of police, they called up their suspect and flat out lied. they made up a story about a recent assault. could he come in for questioning? he agreed to come in and sat down with us. what followed was a vintage cat and mouse. please try to get his dna of a cigarette. for robert denney one for a smoke, but when he was finished he took the cigarette butt and put it behind his ear. would not put it in the cigarette ashtray. so they moved on to plan b. they offered him a bottle of water. he takes the water, but he does not take the top off of it. he sat there the whole time and never drank from the water bottle. so now you are on plan c. which was this. they asked denis to fill out some forms. please procedural stuff, they said. what we are going to do is