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AAAF’s resident staff has more than a half-century of training and experience in general and digital evidence forensic investigations and law enforcement training. In addition, AAAF routinely attracts national forensic experts as adjunct instructors in both the General Forensics and Digital Evidence areas.




Dale Callan
Program Developer, General Forensics

Dale Callan is a retired U. S. Postal Inspector, where he served in various assignments in the Boston Division for the US Postal Inspection Service. He comes to us with 29 years experience in federal law enforcement that included identity theft, mail fraud, electronic crimes, credit card fraud and major crimes investigations.  He is a subject matter expert in Identity Theft crimes and firearms training.  He was co-leader and founder of the NH Identity Theft Intelligence Group with the US Attorney's Office in Concord, NH.  He also served as a member of the NH Federal Anti-terrorist Task Force.  He also served as a Special Agent with US Army Intelligence working counterintelligence and counterespionage cases in Korea.  Dale also assisted the NH Police Academy as a guest lecturer.  As a member of IAFCI (International Association of Financial Crimes Investigators) he provided expertise in a variety of financial and electronic crimes.

Contact Dale: or phone 704-330-4171


Katie Williams

Program Developer, Digital Forensics

Katie Williams was recently employed by the NC State Crime Laboratory/NC State Bureau of Investigation where she was assigned to the Digital Evidence Section.  She comes to us with approximately six years of analytical experience that includes Audio Forensics, Video Forensics, and Computer Forensics.  She has worked many types of cases that includes 911 phone calls, undercover drug buys, convenience store surveillance video, patrol camera, violent crimes, and crimes against children.

Contact Katie:, or phone 704-330-4164


Mary Ferracci
Program Assistant, General and Digital Forensics

Contact Mary:, or phone 704-330-4117