1. A method of normalizing biometric scores, which comprises: enrolling in a biometric database a plurality of individuals by storing in said database for each individual a plurality of biometric templates of one type; comparing each biometric template in said database with every other biometric template of said database to obtain biometric scores; if a biometric score is obtained by comparing one biometric template of an individual with an other biometric template for that same individual, putting that score in a matching category; and analyzing the scores in the matching category to determine a probability that a particular score is a matching score.