david mallory too. but detectives had a theory cooking. that carter and david killed ashlea.burglary. but they also wanted ashlea's keys to the american eagle. because they were planning to rob the store again. those key is where the only thing missing from the murder scene. and when store manager, chris, looked at the surveillance video from earlier that morning? he told police what they wanted to hear. >> describe what you saw on the videotape? >> somebody dressed in dark clothes, with their face wrapped. walked right up to the store, and tried to get in with keys. >> that, he said, was carter trying to pull off another, bigger burglary. police just knew. one day after killing ashlea, and taking her keys. carter was trying to break into american eagle. where this time, tens of thousands of dollars, the black friday profits were in the safe. but the key did not fit. because after ashlea was murdered, chris changed the locks. >> i wasn't going to take any chance, whether it be a deposit or them harming someone else in the store. we need to lock them out. >> detectives pulled