Trump is completely mishandling the Epstein issue

All he had to do is release the report. Expose all the seedy, tawdry, salacious details and his supporters will say, "Oh, Hillary/Obama/Biden must have done exactly the same thing", and then move on. They will never turn on him. The whole 5th Avenue dynamic has remained unbroken all this time. Why believe anything will ever change in the way they see their Dear Leader? Trump isn't as good at hiding things as he is at simply lying about the facts once they have been brought to the public's attention.

Also, he doesn't need his supporters anymore. He can't run again. Even if he finds a way to legally run again, his faculties are already crap at this point. There is no next term Trump has to worry about. His supporters should know this by now.