It is California though...
The age of consent in the state of California is 18. Highest in the Nation.
These guys are toast, period, end of story, there is no defense, all the prosecution has to do was prove the event happened.
At that point the Defendants go to jail.
They do not pass go.
They do not collect $200.
Yes, it is California, but the central valle, Fresno included, is pretty conservative. I don't expect there to be much in the way of mercy here if even half of this article is accurate.