Phantom of Heilbronn, or ""Woman Without a Face"" is the name of a suspected female serial killer. The killer is only known from DNA evidence. This evidence was present at different crime scenes in Austria, France, and Germany. The crimes were committed between 1993 and 2009. Six of the crimes were murders. One of the murders was that of Michèle Kieswetter, a police officer. She was killed in Heilbronn on 25 April 2007.