https://www.bbc.com/news/technology-56579449
"A collaborative effort between Chinese police and gaming giant Tencent has led to the closure of what police say is the biggest ever video-game-cheat operation.
The gang designed and sold cheats to popular video games, including Overwatch and Call of Duty Mobile.
Roughly $76m (£55m) in revenue was made by the organisation which charged a subscription fee to clients."