The plane pictured with number HB-FVP is a demonstrator for the company, not the actual plane circling; the PC-12 designation is the plane manufacturer and type.
Without the tail number, there is no way to know who is operating the plane, which is why the graphic shows N/A for Registration etc and shows only the generic plane type.
Speculation that it is operated by some government agency is just that until shown otherwise; it could just as easily be Nancy Pelosi’s plane or whoever is running the DNC or some citizen schmuck shooting real estate photos of the buildings
See post 12. The Phoenix PD has a PC-12 outfitted with cameras. It looks like the pattern center is almost directly west of the Fairgrounds/Stadium and the east/west sides of the pattern are about 2/5 miles west of the stadium.