The BAU is part of the FBI National Center for the Analysis of Violent Crime. The show differs from many procedural dramas by focusing on profiling the criminal, called the unsub or "unknown subject", rather than the crime itself.
The Behavioral Analysis Unit operates within the framework of the FBI's National Center for the Analysis of Violent Crime. This show diverges from typical procedural dramas by concentrating on profiling the perpetrator, referred to as the unsub or "unknown subject," in contrast to focusing exclusively on the crime.