If gunshot involved, often difficult for physician to identify type of firearm. Sometimes involvement of alcohol or other drugs listed in a secondary E-code. Records available from local hospitals. Every time emergency medical technicians respond to a call, they make out a report that can include data on time and location of the incident, the cause of injury, the medical condition of the injured person, sex, age, race, alcohol or other drug use and injury description. Some are brought by friends, family members or passers-by.
Schools keep records of violent incidents within a school building or on school grounds.
Data usually include sex, age, description of incident and weapon involved. California schools cannot permit access to student records except with parental consent or in the case of a law enforcement investigation or judicial order, but some districts will release schoolwide or districtwide data. The report, published in March 1994, contains information, charts, graphs and demographic cross-references for all injuries and injury deaths in San Francisco in 1991. It contains some startling data that show how similar, as well as unique, San Francisco's injuries and injury deaths are compared with other cities. Among solved homicides, the number of family violence-related deaths exceeded the number of robbery, drug, gang and carjacking homicides combined.