Professor Robert Weisberg spoke with the San Francisco Chronicle's Demian Bulwa on how a 75% drop in the amount of vehicle stops made by Oakland Police this year during a time when crime has spiked in the city is "astonishing." 

Efforts by Oakland Police to increase the amount of police stops have contributed to 75% drop 

Oakland police officers are stopping roughly 75 percent fewer drivers and pedestrians this year than they did just three years ago, a steep drop in enforcement that comes amid a crime spike in one of the state's most dangerous cities.

The figures on police stops include when officers pull over a car, arrest or detain someone on the street, or contact a person who agrees to answer questions about an investigation.

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"That reduction is astonishing," said Robert Weisberg, a Stanford law professor who co-directs the Stanford Criminal Justice Center. "This type of stop represents the most important thing police can do to reduce crime.