9.1 the idea is about. Events that occur should first ask the person on it and start to investigate from people who think that suspicious, such as people who played guitar in the night incident.
9.1 to think about the incident should begin by asking the person to live there. And traditionally suspicious of people who think like someone who plays guitar on the night of the incident.
9.1 think about the incident should start from the inquiry person in that area. And began to investigate who think like people who play the guitar in the suspicious incident.