The psychologist who devised the checklist , Dr. Robert Hare , a professor emeritus at the University of British Columbia in Vancouver , said that average total scores varied from below five in the general population to the low 20 's in prison populations , to a range of 30 to 40 -- highly psychopathic -- in predatory killers .
University of British Columbia /location/neighborhood/neighborhood_of Vancouver
Vancouver /location/location/contains University of British Columbia
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University of British Columbia
ORGANIZATION
Vancouver
LOCATION
/location/neighborhood/neighborhood_of
Vancouver
LOCATION
University of British Columbia
ORGANIZATION
/location/location/contains