Below is a link to the UC Berkeley report.
This article reports a 17% drop in thefts and 19% drop in assaults in San Francisco following reassignment of 69 officers to foot patrol in 2017. The main target was thefts, especially from autos, which had nearly doubled since 2010, from 2,100 per month to over 4,000, with a very low clearance rate. Analysis by…
— Read on gcordner.wordpress.com/2018/12/06/short-term-results-from-foot-patrol-in-san-francisco/
See the the UC Berkeley report HERE