I can tell you that they were using a brute-force ballot creation method in most states in 2020 - targeting the largest population counties in each state.
I'll check the populations of the counties that contain those cities and get back to you.
Thanks kiryandil. I wonder if the FBI Southfield office was working Detroit, since they border one another, or if there are other players in the mix.
Cell phone location data a la 2000 Mules could reveal the location of the boiler room operations involved in various aspects of the steal. Whether the criminals will turn their cell phones on in 2024 is probably a good question....