Legal Question in Criminal Law in California

It would likely be beneficial to run the specifics by an attorney and get some counsel about what to do if the authorities want to question him about this matter. He has a right to remain silent. It may be a simple as a one-time consultation or, depending on the circumstances, may require representation during the investigation.

The age of the alleged victim matters more than that of the accused. If there's a statute of limitations issue, her age determines when the clock started ticking and not his.

You haven't said to whom the young woman is making these accusations or in what setting. It's hard to advise you without that information. Your son should at least consult with a criminal defense attorney to get some useful guidance.

Good luck.