American Academy of Forensic Sciences is a professional society of physicians, attorneys, dentists, toxicologist, physical anthropoligist, document examiners, psychiatrists, engineers, criminalists, educators that practice, study, and research the forensic sciences. There are members from all 50 states, and over 60 countries worldwide. They are an international membership organization for forensic scientists around the world. They are a 501(c)3, so are not a federal agency. They do provide referrals to expert witnesses in the forensic sciences.