In this regard, the independent variable is a dummy variable, coded as 0 for the pre-interruption period, and 1 for the post-interruption period. As a result, there are 114 weeks of pre-COVID-19 (i.e., preinterruption) **data** and 42 weeks of post-COVID-19 (i.e., post-2 Examples include addressing code and ordinance violations, environmental and business regulations, as well as working with the department's crime analysis unit and local businesses to reduce crime. interruption) data. A visual examination of the trend line **data** (see Fig. 1) also indicated the presence of a step change-an abrupt effect-between the emergence of COVID-19 and the death of George Floyd for two of the ten categories: the patrol and DRT self-initiated activities. For both categories an increase in activity was observed after the COVID-19 starting point, followed by an abrupt decline following the date of George Floyd's death. To control for these, two indicators were created to indicate the period from COVID-19 to the incident (March 12, 2020 to May 24, 2020, covering 11 weeks), and the period from the death of George Floyd (May 25, 2020) to the end of 2020 (covering 13 weeks) for these two types of self-initiated activities. 