Alec Jeffreys, a researcher at the University of Leicester in England, had developed a way to analyze pieces of DNA and produce an image that, Jeffreys said, had a high likelihood of being unique.

Desperate for help, they approached the geneticist Sir Alec Jeffreys. Working out of Leicester University, he had recently taken the scientific world by storm. In the mid-80s Sir Alec had discovered ...

He shot Mr Falconio dead and pointed a gun at Miss Lees before tying her up. She later escaped. During the investigation that followed, the UK's FSS team carried out DNA tests on hand ties used on ...