lead detective derek johnson was promoted to sergeant. which meant former hairdresser jaclyn moore s dream of making detective finally came true. maybe a case of beware what you wish for. one of her first assignments was the annie kasprzak murder. how did you feel about it? that this was now going to be your case? i cried for two hours. reporter: jaclyn decided she needed to start again from the beginning, following the chain of evidence that led her colleagues to daniel ferry. she thought she might link ferry to annie through his phone calls. but when she checked all of his cell phone records showed he was in the middle to northern part of salt lake county. he had never gone south close enough to where annie was killed. not even near her house. reporter: and she well knew the physical evidence wasn t there either. none of the dna came back saying annie was ever a friend or ever at his house.
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information now, and we think we have another suspect. reporter: another suspect. a new name altogether. based on information from an eyewitness who may have seen annie kasprzak the night she was killed and knew who killed her. coming up is this how annie was murdered? and is this the man who murdered her? what if i told you she s dead? i didn t do it. the latest innovation from xfinity
yeah, it s looking more and more like this is actually true, all this information that we re receiving. reporter: did you find blood-like splotches on the wall? we found indications that there would be blood on the wall. reporter: they swabbed those areas and then went looking for daniel. they found him at an apartment complex, arrested him and brought him in. do you want to talk to us without counsel? yeah, whatever. but what s it about? let me ask you that. what do you think? i got no clue. reporter: it was, detectives thought, the typical bad guy response. they were sure daniel knew something. they asked him about l.j. who the hell s l.j.? that s what i m asking you. dude, i don t know no l.j. reporter: and then about annie. tell me about annie. tell me about annie. annie who? annie. who the [ bleep ] is annie? annie is a girl that was at your house for a party last weekend. dude, i have no idea who annie is. we ve already talked to a lot of o
prior. the cops thought some of what she said sounded eerily similar to annie s case. so they called draper pd, and detective derek johnson and his colleague came over to hear what joanna had to say. tell me what you know about this girl. it was the second time i ve seen her over there. reporter: there at the home where a man named daniel ferry used to live. danny ferry is a guy known to law enforcement? yes. reporter: as maybe a drug dealer? drug dealer. he was a member of a gang called vario loco town. and law enforcement has dealt with danny quite a few times, yeah. reporter: ferry had a long rap sheet. in fact, derek had served a search warrant on his home a year earlier. and now here was joanna telling derek that she saw a girl who sounded a lot like annie at daniel ferry s home on the night annie was killed. joanna also said the girl showed up with someone police had been searching for but couldn t find.