The full GTA V source code has been leaked The leak contains GTA V source code and stuff from Bully 2 and GTA VI Leaked in a discord server by a random British guy in the 360 modding community known to get sued by Rockstar multiple times
"Now i am expecting a open source version of gta to arrive soon on linux natively . Tired of playing supertuxcart."
Here is the source. Another one.
You have to convince him first it is what he wants to do. He seems very fixated on being a cyber criminal at this time and money is unlikely to sway him.
He can learn once he understands the repercussions of his actions. Remember that he's an autistic teenager, he has a lot to learn about life and especially morality.
He'll learn great lessons in jail! /S
Not every country is like the us
Especially in Europe a lot of them try to better people instead of punishing them and many have special institutions for teenagers that are my like psychiatric wards than prisons