Before you check Luis’ car, you decide to go around the train. You are looking for other congress attendees. You talk to them about the event, and about Luis, not to mention his disappearance. You take notes. You pick up business cards. You would like to ask more questions to some of them, but this is not the time. Maybe later.
There is a lot to investigate in the private car. You do not know where to start. Any evidence can be an important clue.
Who to blame?
Be careful! You only have one attempt to find out the culprit! You must write his first name and first surname.