“For each new millionaire household the San Francisco Bay Area has produced, there are at least four new people living below the poverty level. San Francisco’s property crime rate has spiked to the highest in the nation. Many people – tech newcomers and longtime residents alike – complain of feeling unsafe. At the same time, with little fanfare, the Bay Area has seen a dramatic drop in its homicide rate, driven by a considerable decrease in deadly shootings.” Part of a year-long series from The Guardian: Gun violence has sharply declined in California’s Bay Area. What happened?