Leading criminologists have argued in favour of creating a weighted measurement.
Lawrence W. Sherman and two other researchers wrote in 2016 that "All crimes are not created equal.
Counting them as if they are fosters distortion of risk assessments, resource allocation, and accountability.
It uses sentencing guidelines of England and Wales to calculate the harm score of each crime.
[3] According to the CCHI, the harm score for a crime is the default prison sentence that an offender would receive for committing it, if the crime was committed by a single offender with no prior convictions.