turn in bed, he decided to follow his gut. now the detective was following a black infintig-35 and it would take him somewhere very interesting. here again is keith morrison. >> reporter: on the saturday morning after black friday, 2014, homicide detective jerry cedillo followed a black infiniti into the parking lot of the hulen mall. he watched as the passenger, a 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 ask him, "what are you doing here at the mall?" he said that he had dropped his