They could always...
...INCREASE the jail time from the original sentence. That would be most fitting!
Michael Mancil Brown, aka Dr Evil, who tried to extort a million dollars from PricewaterhouseCoopers on the basis that he'd nicked Mitt Romney's tax returns, has had a win on appeal and will be sentenced anew. Brown's original four-year sentence (and US$200,000-plus fine) came last year, punishment for pretending he'd hacked …
Against the prosecution lawyers for (falsely, in the event, as agreed and set out by the three Judges) obtaining conviction on this point. Presumably by presenting false factual information to the Judge or Jury ( i know not which in this case). In laymans terms, deliberately lying.
Would lead to much a much better justice system if this was the case ( no pun intended).