Forks are used by developers to not only “fork an application”, but also just to fork the repo, work on their own branches, and push (PR) them back to the main repo. I have forks of many repos, but that doesn’t mean “i have forked the application under a new name”.
His commander should kick his ass, report him for endangerment, and then throw him out of the police station like in the movies when somebody gets thrown out of a saloon.