of diana lovejoy? it points us in a direction but there's more to be done. >> the team searched for more evidence and diana's home. >> we located the clothing she was wearing when she purchased the phone. >> they had enough to arrest diana and bring her in for questioning. at first she denied involvement in the shooting. what's her alibi? >> she was at home and never went out. >> police realize you might be telling the truth just because she bought the tracfone doesn't mean she was at the crime scene. diana was most likely not the person lying in the grass in camouflage with a rifle. >> fair to say. >> did you ask if she hired someone? >> yes. no, did not. >> detectives pressed her and diana told them something they did not expect. >> she started to describe her relationship with her shooting instructor. >> diana told police her instructor's name, weldon mcdavid. >> he had volunteered to help her protect herself from her ex- husband. >> weldon mcdavid was the knight in shining armor to another woman in