When you open Citizen, the map will default to showing you the entirety of the city you are located in or closest to. Citizen currently covers: New York City, Baltimore, Philadelphia, Los Angeles, and the San Francisco Bay Area.
To instantly zoom into your immediate location and view local incidents, press the locator button on the bottom right corner of the map. To zoom back out to the entire city, press the toggle button again.
As you navigate the map, the list will refresh to show incidents within your map view.