There was a biased documentary produced called Honest Man: The life of R. Budd Dwyer that spread the myth that Dwyer was framed. AFAIK, there is no evidence to prove that this actually happened, at all.

The FBI investigated him, a grand jury indicted him, and a court jury (who saw all the evidence over a long period of time) convicted him. All the appeals filed by his lawyers, after his death, were also denied.