Henry-FBI Classification

Henry-FBI Classification • Developed by Edward Henry • Allowed all sets of ten fingerprints in the world to be divided into 1024 groups • Secondary and more complex classifications were created to allow for more groups

Primary Classification The Henry—FBI Classification Based on WHORLS Each finger is given a point value

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Primary Classification Assign the number of points for each finger that has a whorl and substitute into the equation:

That number is your primary classification number

Individualization • Henry-FBI Classification – Narrows into a group

• Ridge Classification – Uses minutiae to individualize fingerprints – In U.S. there are no legal requirements for # of points – Criminal courts accept 8 to 12 points – 150-200 minutiae in a good rolled print