carter cervantez did not work for him and he doesn't even know who she is. >> well, so much for that story. >> yes, sir. >> reporter: cedillo turned his attention to finding carter cervantez. no luck. you didn't see her at all in there? >> no, sir. >> reporter: did anybody see her? >> no, sir. >> reporter: so, cedillo had a disgruntled employee coming back to the mall where she'd been fired. her boyfriend was telling lies about a job she didn't have, and a car that looked like hers had been spotted at the scene of a murder. detective pate still had david mallory out in the parking lot and was looking for a reason to hold him. >> he said that he had a driver's license. but he didn't have his driver's license with him. >> reporter: reason enough. he arrested mallory and brought him in for questioning. but carter? seemed to have vanished. wasn't anywhere in the mall. but then police went to her apartment complex, and there she was. >> where was she in the apartment complex? >> well, she initially was in the -- in the laundry room.