The National District Attorneys Association (NDAA) is the largest and primary professional association of prosecuting attorneys in the United States. The association presently has approximately 7,000 members, including most of the nation's local prosecutors, plus assistant prosecutors, investigators, victim witness advocates, and paralegals. NDAA developed the Hardcore Drunk Driving Prosecutorial Guide and provides training based on its contents to Traffic Safety Resource Prosecutors. NDAA is also an active member of the Coalition to Fight Hardcore Drunk Driving.