CNN Forensic Files March 12, 2014 08:28:00
Prosecutors believe denney saw corey get ready to go with her friends on the night before thanksgiving. then armed with a knife and wearing gloves, he entered corey's apartment through the kitchen window. the evidence suggests he hid somewhere, possibly in her closet. and waited for her to return. corey had no hint that anyone was inside and went to bed. that's when denney attacked. but corey fought back. in the process, she pulled out some of his hair which contained his dna. his lighter slipped from his pocket during the struggle. he stabbed her repeatedly. at some point, he cut himself
Source: archive.org