All Cops Should Submit DNA Samples to Avoid Crime-Scene Confusion: Federal Report Share this story Steve Sanchez Photos/Shutterstock When 22-year-old German police officer Michele Kiesewetter was fatally shot in the head while sitting in her patrol car, DNA evidence captured at the scene led to a shocking discovery. The DNA profile indicated the murder was committed by a female serial killer dubbed “The Phantom of Heilbronn,” after the town where the murder occurred on April 25, 2007. The same DNA makeup, also dubbed “The Woman Without a Face,” was tied to at least seven other murders, a series of break-ins and multiple other crimes in Germany and throughout Europe over a 15-year stretch.