No case has been won. There have been cases like this one where people have one on the criminal charge, but not on the underlying issue of whether they owe income taxes.
There have been many many cases won. You are allowing yourself to be ignorant. Why?
Cryer does not owe the tax. Visit his website, his case is spelled out there. His evasion charges were dropped because there were no taxes due. The criminal evasion charges were trumped up and advertised in the local press to smear him and create fear.
He owes no tax.
Why are you hoping otherwise?