Bieber was an appointed member of the World Trade Center Kinship and Data Analysis Panel ( KADAP ) , assisting the New York City Office of the Chief Medical Examiner with the DNA-based identification of victims of the September 11 , 2001 attacks on the twin towers . He participated in the identification of victims of Hurricanes Katrina and Rita , assisting the Louisiana coroners office , as a member of the Hurricane Victims DNA Identification Expert Group ( HVDIEG )
September 11 , 2001 attacks
September 11 attacks
Frederick Bieber