See Who Invented Genetic Fingerprinting And When Below…..

Alec Jeffreys Invented Genetic Fingerprinting.
Genetic Fingerprinting was invented in September 1984.
Genetic Fingerprinting is the process of determining an individual’s DNA characteristics, called a DNA profile, that is very likely to be different in unrelated individuals, thereby being as unique to individuals as are fingerprints (hence the alternative name for the technique).