Through its legacy of training, research, and consultation activities, the BSU developed techniques, tactics, and procedures that have become a staple of behavioral-based programs that support the law enforcement, intelligence, and military communities. It is here where the term "serial killer" was coined and where criminal investigative analysis and "profiling" were developed. Many of these programs eventually developed into stand-alone programs, units, and centers such as the National Center for the Analysis of Violent Crime (NCAVC), Behavioral Analysis Unit (BAU), Undercover Safeguard Unit, Crisis Negotiation Unit, Hostage Rescue Team, and Employee Assistance Unit.