How did the committee of public safety identify enemies of the state?

They identified them by the people who were under suspicion of betraying France, they were ordered to be beheaded or put to death by guillotine.

Sir thomas more, venerated in the catholic church as saint thomas more, was an english lawyer, social philosopher, author, statesman, and noted renaissance humanist. he was also a councillor to henry viii, and lord high chancellor of england from october 1529 to 16 may 1532. i found this information on wikipedia