NOVA Online > Killer's Trail > Create a DNA Fingerprint > DNA Fingerprint Lab The steps for creating a DNA fingerprint are outlined below. The DNA specimen on the lab countertop has already been prepared, using some of the saliva extracted from the lollipop. Chronology of a Murder | Science in the Courtroom Create a DNA Fingerprint | 3-D Mug Shot | Cleared by DNA Resources | Transcript | Site Map Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000