They also found that a hydrogen bond could be formed between the two pairs of bases. In addition, each side is a complete complement of the other.
Alec Jeffreys
DNA profiling was developed a few years later in 1984 by English geneticist Alec Jeffreys of the University of Leicester, and was first used to convict Colin Pitchfork in 1988 in the Enderby murders case in Leicestershire, England. Thus began the journey of DNA research.