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.
Almost all blackhats are part of a group, and even social engineering tactics can require talent to pull off, especially when it is guarding billions of dollars worth of trade secrets.
The dude carried out an attack with a fucking Amazon Fire stick and a phone. While in police custody. That is an insane level of preparation and knowledge of your tools