1984; Oxford, United Kingdom. It was 9am, Monday September 15, 1984, when Sir Alec removed some X-ray film from the developing tank. he said. We had been looking for good genetic markers for basic genetic analysis and had stumbled on a way of establishing a human's genetic identification. By the afternoon we had named our discovery DNA fingerprinting."
(1985) Discovered that some DNA sequences are unique to each individual, leading to the birth of DNA forensics. His DNA technique was first used to hunt down a child molester who killed two girls. The suspect, Colin Pitchfork, was convicted of murder after DNA samples taken from him matched semen samples taken from the two dead girls.