He was smiling. Why was he smiling at her like that? Possibly because he found something amusing, but she hadn't said anything amusing. She had simply pointed out that he was not in his own vehicle. Perhaps he had borrowed another from the crime scene. Still she turned and packed up her bag. Her lap top and crime scene bag and pulled them both over her shoulder before locking up her car and following him to his.
"I have been looking for more information while I waited, and talking to someone who seems to know you. She informed me that I should, both believe what you are going to tell me and know that you are not insane. Did something happen at the scene that would question your sanity?" She had plenty to tell him that she had found so far, but it might be irrelevant if he had an explanation and so would wait. It was always better to have more information than less.
Opening the back door of the car she put her bags in before going for the passenger side. It was an unspoken rule. Booth drove. Actually it was probably spoken. She just may not have thought it a good rule. However, in his vehicle and when going to a site she tended to let him drive, it gave her time to question things and go over the information they had. "Also, people here seem very confused as to how the mythology of religion works."