article_snippet.sent: Paul Crowther  came ahead of a summit organised to determine the scale of the problem, which has come under scrutiny in recent months following a number of high-profile incidents.
article_snippet.sent: Mr Crowther said: 'We think it is under-reported and We think that might be because people are intimidated or frightened.'
article_snippet.sent: Mr Crowther said the problem was a 'very complex issue' and required a cultural change. '
highlights_snippet.sent: Paul Crowther said crimes may be 'under-reported'
  A summit has been organised to determine the scale of the problem .