The term 'BLUE GROUP' refers to law enforcement officers, and the two crossword solutions for this term are 'COPS' and 'NYPD'. The acronym 'COPS' stands for Community Oriented Policing Services, which is a program created by the United States Department of Justice in 1994 to help local law enforcement agencies develop community partnerships. The acronym 'NYPD' stands for the New York Police Department, which is the largest police force in the United States and one of the oldest in the world, having been founded in 1845.