Juristat Service Bulletin Vol. 14 No. 6 reports that between 1977-1992, crimes involving possession, trafficking, and importation of cocaine skyrocketed by 1400%.
Kopel reports that a study of cocaine-related homicides in New York found that 87% of the homicides were related to territorial displutes, debt collection, or drug deals gone bad. The pharmacological effects of drugs were related top only 7.5% of the homicides.
A history of heavy drug use and criminal activity was found in a study of street youth in Toronto, which reported that 43% had been involved in selling drugs, 23% participated in robbery or robbery with violence, and 27% were involved in burglary offenses.