Rockstar Games is opening a new LA-based studio

Standard Deviation, Rockstar's most recent acquisition, is thought to be linked to the new studio.

Rockstar Games, GTA Wiki

Five Ways That Rockstar Has Changed The Video Game Industry - Game Informer

Digital LA

Rockstar Games open new studio in Los Angeles, by TechScope

Grand Theft Auto V Sequel Game in Development: Rockstar Games – The Hollywood Reporter

Florida Joker Threatens Rockstar Games With Lawyers After GTA 6 Parody - Insider Gaming

Grand Theft Auto' Rival Game 'Everywhere' Development

How did the developers of GTA V make to reproduce Los Angeles so faithfully? Have they taken several pictures of the city or something? - Quora

AAA Open-World' VR Game In Development At Rockstar Says LA Noire VR Team - VRScout