Woman dressed in darkish clothes, headed inside. she fit the description he d been given of 25-year-old carter cervantez, a former co-worker of ashlea harris. the male driver stayed in the car. cedillo called his partner, ernie pate asked him to check up on the guy. when i approached the car, then the person identified themself as david mallory. reporter: david mallory was carter s live-in boyfriend. he too was a former employee of american eagle. i asked him, what are you doing here at the mall? he said that he had dropped his girlfriend off to pick up some papers at aeropostale where she was a manager. reporter: so perhaps it was just that. david giving carter a ride to pick up some paperwork at her new job at aeropostale. cedillo decided to go inside. the mall was open but the stores were still closed. and i happened to go up to aeropostale and there is a manager that s actually in there working. and i was able to confirm that
Interesting maybe incriminating. she took a drink, puts the bottle down. she picks it up again and before she can take the second drink, she stops mid-air, spills water on herself. puts the bottle down and just stares at it for about 10 to 15 seconds. she then reaches over and grabs a tissue from the table and starts wipin down the bottle and then wipes down the mouthpiece. reporter: what did that say to you? well, that she was afraid that we were gonna obtain her dna from the bottle. reporter: after that police let her go. david mallory, too. but detectives had a theory cooking that carter and david killed ashlea, out of revenge for being fired for the burglary. but they also wanted ashlea s keys to the american eagle. because they were planning to rob the store again. those keys were the only thing missing from the murder scene. and when store manager chris cravey looked at his surveillance video from earlier that morning, he told police what they wanted to hear. repor
okay. all right. this morning. okay, what time did you get up? about 7:30. 7:45. okay and then what happened then? and then we talked and i went back to sleep. when i woke up he wasn t there. okay. reporter: he d heard enough. i know that s a lie. no, it s no, it s not. do you know why i know it s a lie? why do you know it s a lie? because i saw you come out of your apartment and get in the passenger seat of that car and i saw him drive out of there. that s why i know it s a lie. reporter: cedillo was tough. but carter cervantez wasn t giving an inch. coming up there s an actual human grave that s been dug. fresh grave. fresh grave. when dateline continues. cty month with heartgard plus, the #1 choice of dogs. digestive and neurological side effects have rarely been reported. ask your vet for heartgard plus.
Got even more harrowing. they took off my sweat pants, pulled them down to my ankles, and then they raped me. reporter: raped twice, she said sobbing, by two different men. were you in pain? yes. i was screaming. reporter: prosecutors kevin rousseau and ashlea deener seemed as taken aback as the rest of the courtroom. i know what i think. this is not true. reporter: and they needed to regroup, fast. this is the biggest lie she s ever told. we know that. but you never know what the jury s thinking. reporter: carter had an explanation for just about everything. even that moment during her interrogation when she wiped the bottle. she wasn t wiping off her dna, no. she said the smell from the bottle reminded her of being raped. i was telling myself, it s just water. it s just water, it s not them. but i could still smell it.