He can demand all he wants nobody is going to re-open an investigation. He should be more worried about Covid-19 having killed thousands and thrown millions out of work.
COVID hasn’t killed anywhere near the forecasts we were given, and it is peanuts compared to say deaths by heart disease.
COVID also did not magically cause unemployment. Unemployment was caused intentionally by POTUS and the governors insanely shutting down the entire country, never done before, in response to a minor pandemic.