How was DNA used in the investigation of the Clinton and Lewinsky case?

How was DNA used in the investigation of the Clinton and Lewinsky case?

Richard Saferstein (Former Chief Forensic Scientist) gives expert video advice on: What is DNA and how is it used in CSI?; When was DNA first used in CSI?; What effect did the 'Colin Pitchfork Case' have on DNA use in CSI? and more...

There was a semen stain that was found to be present on a dress that is owned by Monica Lewinsky. She claimed that stain belonged to President Clinton. Ultimately, her dress was retrieved and was sent off to the FBI laboratory where it was analyzed by the technology used back then, RFLT, and the result showed the association of that stain with Bill Clinton was about seven billion in one.