How would we know? Why not start your enquiry with the CDCR - they have all the information you didn't provide here. Have him talk to the prison...

Before I baked a file in a pie I would contact someone in authority at the jail and ask them. Not nearly enough info here for one of us to answer...

You "can" sue someone but it may be years before you see any resolution,

You don't appear very credible. If you "can't remember the crime" how do you know someone is innocent?

Nobody "presses charges." They can make a police report and the police may forward the report to the DA for filing if the think it serious enough.

Go to the specific court where you were convicted. Using the case number have the clerk pull the minute orders of the case - the proof of probation...

Yes, you can "petition a judge" without a lawyer if you don't mind losing.

Hire an attorney and have them take point for you. Don't show up in court alone - you may not leave through the door you came in.

Sounds like you both have too much time on your hands.

Hire an attorney to begin the process for you. They can contact the prosecution and get things rolling before (or if) you personally have to...