Yes. It was true for our current US Vice President, Kamala Harris for example — but she's not an outlier, this happens all the time.
https://theintercept.com/2019/02/07/kamala-harris-san-franci...
> If the conviction rate had been measured by actual cases pursued, rather than all cases referred by police, Hallinan said, his office would have had a conviction rate that was relatively similar to Los Angeles and other major cities.
> And Hallinan was getting results. Overall, crime rates were plummeting. Violent crime had gone down close to 60 percent in San Francisco since Hallinan took office.
> Still, the low conviction rate resulted in headline after headline about San Francisco’s permissive attitude toward crime, a media environment harnessed by the Harris campaign.