San Francisco police officers are not case workers or psychologists. The people they are often called to respond to could use one.
Mentally ill people make up "more than half" of the people shot and killed by police, according to a KQED investigation.
Two recent fatal shootings of a citizen by police, 34-year old Errol Chang and 18-year old Yanira Serrano-Garcia, both involved mental breakdowns, the radio station reported.
According to a review of 51 officer-involved shootings in San Francisco, 58 percent -- or 11 out of 19 -- involved a person whose mental illness led to the fatal standoff, KQED reported.
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