Source: google POI, Nov 2025
knowing issue: not clean, many of POI are not jail, also missing many.
https://transparentgov.net/json2tree/gateway/feature-geojson/url.html?_center_lat=35.30036213733974&_center_long=-118.42756434424395&_center_zoom=7&panto=0&url=https%3A%2F%2Ftransparentgov.net%2Fdata%2Fsample%2Fgeojson%2Fjail-google-2025-11.geojson
This is how POI collected from google map.
https://transparentgov.net/json2tree/esri/server/folder.html?org=https%3A%2F%2Fpublic.gis.lacounty.gov%2Fpublic%2Frest%2Fservices&url=https%3A%2F%2Fpublic.gis.lacounty.gov%2Fpublic%2Frest%2Fservices&arcgis_online_token=&timeout=9000&select_folder=18&select_layer=18&select_folder_text=Political_Boundaries+%3Csup%3EMapServer%3C%2Fsup%3E&select_layer_text=18+%26%23x21E2%3B+County+Boundaries+%3Csup%3EFeature+Layer%3Csub%3E+esriGeometryPolygon%3C%2Fsub%3E%3C%2Fsup%3E