+official statistics are objective. They’re regular and collect data from all over the country: can make more comparisons.
+official statistics provide quantitative data and they're positivist so take a macro view at structures in society.
-official statistics are socially constructed, they're produced by those in power and they ignore the hidden figure of crime. Therefore they lack meaning and insight into the cause or impact of crime.
-official stats don’t measure victimless crimes like drug use.