It is widely understood that the official crime statistics will not include a wide range of criminal activity that occurs but is not, for a wide range of reasons, recorded. Most recorded crime is reported to the police by victims or witnesses. There are many reasons why people might not report a crime - such as fear of reprisal, not believing that the complaint will be taken seriously or choosing to resolve the issue privately or personally. Crimes committed within families, for instance, have historically not always been taken to the police. Sometimes people are not even aware that they have been a victim of a crime and some criminal behaviour is essentially "victimless" or the victims are so dispersed that no individual reports the activity (e.g. some corporate crime and fraud).