
Mary K. Holland
About
Mary E. Holland was an American detective who became an early advocate for fingerprint identification in criminal investigations. She was one of the expert witnesses in the first case in which a criminal was convicted by fingerprint evidence in the United States. She "single-handedly was responsible for the accelerated acceptance of the Henry system" for classifying fingerprints in the United States. She was once called "the most noted woman criminologist in the world."





