My spitballs are (a) definitely Mark Meadows, (b) probably Rudy Guiliani, (c) possibly John Eastman. Further speculation?
Oh, and by the way? If I were Fani Willis I wouldn’t entertain ambitions to run for public office down the road. She’s presumably an excellent attorney but to say she has an awkward speaking style is putting it mildly. She reminded me of Tiffany Haddish announcing the Oscar noms in 2018. You can feel her struggling as she reads the particulars.