alt Hacker NewsThere would still be a valuable public record produced by the investigation and court proceedings. Going after pardoned criminals is absolutely something the next administration should do. (We have zero precedent for preëmptive and blanket pardons in our courts, for example.)
Ex Parte Garland was decided in 1866
“The power of pardon conferred by the Constitution upon the President is unlimited except in cases of impeachment. It extends to every offence known to the law, and may be exercised at any time after its commission, either before legal proceedings are taken or during their pendency, or after conviction and judgment.”
Nobody is going to waste their time investigating crimes that can't be prosecuted.