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Thomas Callaghan

Chief Biometric Scientist
Federal Bureau of Investigation (FBI)
Washington, District of Columbia, United States

Thomas F. Callaghan, PhD, is the Chief Biometric Scientist for the FBI Laboratory’s Biometric Analysis Section and serves as the FBI’s senior DNA advisor for human identification. Dr. Callaghan has served as Chairman of the National DNA Index System Procedures Board and as a member of both Interpol's DNA Monitoring Experts Group and the G8 Law Enforcement DNA Technical Working Group. Tom has over 35 years of DNA analysis experience and began his forensic career as a DNA Examiner with the Pennsylvania State Police. As a member of the FBI DNA Analysis Unit in 1994, he was involved in the analysis of hundreds of homicide and rape cases. In 1999, Dr. Callaghan initiated the FBI’s Federal Convicted Offender DNA Database. In 2003, he became the first CODIS Unit Chief and has been involved with the CODIS Program for over 30 years. Dr. Callaghan initiated the FBI Rapid DNA Program in 2008 and served as the Program’s technical lead until 2019. Dr. Callaghan represents the FBI on the Forensic Committee of the International Association of Chiefs of Police.

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