Before revision: In 1986, DNA analysis was first used for criminal investigative purposes when police in the UK requested Alec Jeffreys of the University of Leicester to verify or disprove a suspect's rape-murder "confession .
After revision: In 1986, DNA analysis was first used for criminal investigative purposes when police in the UK requested Alec Jeffreys of the University of Leicester to verify or disprove a suspect's rape-murder "confession