[1] https://en.wikipedia.org/wiki/WarGames
[2] https://war-games.fandom.com/wiki/Stephen_Falken
I prefer this example.
Without asking for hard spoilers: is there an AI researcher that quits a government agency?
[1] https://en.wikipedia.org/wiki/WarGames
[2] https://war-games.fandom.com/wiki/Stephen_Falken