DNA and Forensics In my essay I will discuss the topic DNA and Forensics. This is an interesting topic because there have been great advances in the field of forensic science that have affected it's credibility and usage in solving crimes that would otherwise go unsolved. DNA can be found in almost any bodily fluid (semen, saliva, blood, etc.) and in less obvious places such as a strand of hair. It has become a crucial part of investigating crimes, and will continue to develop this way. DNA first came into use for forensic science in 1986. It was used by a scientist by the name of Alec Jeffreys and his colleagues from Leicester Un