this is kelsie schelling's black chevy cruze entering a parking spot. mber, donthe told police he and kelsie then went inside the store to grab something to eat. >> she went to get some snacks, like something to eat, 'cause she was hungry. >> reporter: but watch closely. only one person is seen emerging from that chevy, and it's donthe. he gets out of the driver's side and walks toward the front of the store. abc consultant and former fbi special agent brad garrett reviewed the video for us. >> this is another glaring hole in his statement where he contends the two of them are together and clearly, based on the surveillance, it's one person. >> reporter: donthe is later seen walking through a parking lot in the rear of the store, where his mother arrives to pick him up. but what happens next to that parked chevy -- could kelsie still be in the car? well, watch as it sits, and sits and sits through the day, through the night. and over an 18-hour period, nobody is seen getting in, or out of the car. but then at 7:17, the following morning, a walmart camera