reporter: on the security tape, rick looked closely and saw the man in the baseball cap leaning through the window of the enclosed pharmacy section seemingly checking out names from pill bottles. over and over, detective arnold stared at the grainy walgreens tape. the man in the baseball cap looked familiar. one person sure looks like reporter: as if james quisenberry, erin s family fend who phoned her minutes earlier and he told the detective how much he wanted to help the investigation. rick wasn t buying any of it now. quisenberry had become a prime suspect, though rick wasn t ready to arrest, not yet, not until he had the other man but that wouldn t be easy. although two suspects in his sights, the mystery man was not in focus. how clear is the image of the second guy? it s not very clear. coming up, it turned out it was an imagine that was all too