[mothered]

If they won't do a report, get the case number, report number, incident number, or call number (they all mean the same).  There is a number associated with every incident the Police do. 

There is a number associated with every incident the Police do. 

If the police refuse to provide a report In Its entirety, there's no Incident recorded (walk In, walk out with nothing), so how will the said details be obtained?