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Phantom of Heilbronn

Phantom of Heilbronn is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Phantom of Heilbronn rather than just read about it. In short: The Phantom of Heilbronn, often alternatively referred to as the Woman Without a Face, was a hypothesized unknown female serial killer whose existence was inferred from DNA evidence found at numerous crime scenes in Austria, France and Germany from 1993 to 2009. The six murders among these included that of police officer Michèle Kiesewetter in Heilbronn, Germany, on 25 April 2007.

Phantom of Heilbronn — main illustration
Phantom of Heilbronn — illustration

Key takeaways

  • Phantom of Heilbronn belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Phantom of Heilbronn to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Phantom of Heilbronn from memory before moving on to harder problems.

Reference excerpt

The Phantom of Heilbronn, often alternatively referred to as the Woman Without a Face, was a hypothesized unknown female serial killer whose existence was inferred from DNA evidence found at numerous crime scenes in Austria, France and Germany from 1993 to 2009. The six murders among these included that of police officer Michèle Kiesewetter in Heilbronn, Germany, on 25 April 2007. The only connection between the crimes was the presence of DNA from a single female, which had been recovered from 40 crime scenes, ranging from murders to burglaries. In late March 2009, investigators concluded that there was no "phantom criminal", and the DNA had already been present on the cotton swabs used for collecting DNA samples; it belonged to a woman who worked at the factory where they were made.

Investigation An analysis of the mitochondrial DNA from samples collected in Austria showed characteristics most often found among people in Eastern Europe and Russia. This was not discovered in the German investigations, as, at the time, DNA could only be used to determine few attributes, such as sex. Since at least 2008, some officers suspected that the evidence was misleading, and the DNA presence was due to contamination, which was confirmed in 2009. The investigations were concentrated in a special task force named Parkplatz ("parking lot") at the Heilbronn police department. In January 2009, the reward for clues regarding the whereabouts of the Phantom was increased to €300,000. The existence of the Phantom had been doubted earlier, but in March 2009, the case took a new turn when, while trying to identify a corpse, investigators found the Phantom's female DNA in fingerprints on a male asylum seeker's application. They subsequently came to the conclusion that there was no mysterious criminal and the laboratory results were due to contamination of the cotton swabs used for DNA probing. Although sterile, the swabs were not certified for human DNA collection. The cotton swabs used by many state police departments were found to have been contaminated before shipping. It was found that the contaminated swabs all came from the same factory, which employed several Eastern European women who fit the type the DNA was assumed to match. The Bavarian police obtained their swabs from a different factory, which explains why no DNA of the supposed Phantom was ever found in Bavaria, although that state is close to many of the crime scenes where this DNA was found.

Associated crimes The Phantom's DNA was "found" in samples collected at the sites of, or on evidence related to, the following crimes:

on a cup after the killing of Lieselotte Schlenger, a 62-year-old woman, on 25–26 May 1993 in Idar-Oberstein, Germany (the DNA was analysed in 2001) on a kitchen drawer after the killing of Joseph Walzenbach, a 61-year-old man, on 21 March 2001 in Freiburg, Germany on a syringe containing heroin, in the case of Juergen Bueller in October 2001 in a wooded area near Gerolstein, Germany on the leftovers of a cookie in a trailer that was forcefully opened on the night of 24 October 2001 in Budenheim, Germany on a toy pistol after the 2004 robbery of Vietnamese gemstone traders in Arbois, France on a projectile after a fight between two brothers on May 6, 2005 in Worms, Germany on a stone used for smashing a window, after a burglary on 3 October 2006 in Saarbrücken, Germany (DNA was discovered and analysed only 2008) after a March 2007 burglary at an optometrist’s store in Gallneukirchen, Upper Austria after 20 burglaries and thefts of cars and motorbikes between 2003 and 2007 in Hesse, Baden-Württemberg and Saarland, Germany; Tyrol and Upper Austria, Austria on a car used to transport the bodies of three Georgians killed on 30 January 2008 in Heppenheim, Germany (the DNA was analysed on 10 March 2008) after a burglary on the night of 22 March 2008 in a disused public swimming pool in Niederstetten, Germany after four cases of home invasion in Quierschied (twice), Tholey and Riol, Germany in March and April 2008 after an apartment break-in in Oberstenfeld-Gronau during the night of 9 April 2008 after the robbery of a woman on 9 May 2008 in a club house in Saarhölzbach in the car after the killing of an 45-year-old auxiliary nurse Diana Pavlenko who was found dead at the end of October 2008 near Weinsberg, Germany

Consequence As a consequence of this severe case of contamination with human DNA in a series of forensic investigations, the International Organization for Standardization (ISO) published the standard ISO 18385 in 2016 to define the requirements for producing consumables free of human DNA contamination designated for collecting biological evidence at crime scenes: "Minimizing the risk of human DNA contamination in products used to collect, store and analyse biological material for forensic purposes".

References

See also Prawo Jazdy, a 'phantom criminal' in the Republic of Ireland

External links Reward for 'phantom killer' reaches record €300,000, The Local, January 13, 2009 Allan Hall: 'Woman Without A Face' leaves German police in the dark, The Age, November 17, 2008 Ned Temko: Germany's hunt for the murderer known as 'the woman without a face', The Guardian, November 9, 2008 DNA clues in hunt for 'faceless' serial killer, The Daily Telegraph, April 14, 2008 Tristana Moore: Germany hunts phantom killer, BBC, 11 April 2008 Allan Hall: Police step up hunt for serial killer, 'the woman without a face', The Scotsman, April 10, 2008 Roger Boyes: Junkie's needle may lead to woman serial killer, Irish Independent, June 29, 2007 Peter M. Schneider: Forensische DNA-Analyse: Fall eines Phantoms – und die Folgen, Deutsches Ärzteblatt, 2009; 106(24): A-1239 / B-1057 / C-1029

Illustrations

Phantom of Heilbronn: Commemorative marker near the site of Michèle Kiesewetter's murder
Commemorative marker near the site of Michèle Kiesewetter's murder

Worked examples

Example 1 — a first encounter with Phantom of Heilbronn

Start with the simplest possible case. Write down what Phantom of Heilbronn claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Phantom of Heilbronn before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Phantom of Heilbronn ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Phantom of Heilbronn

In research
Phantom of Heilbronn appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Phantom of Heilbronn in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Phantom of Heilbronn is common in secondary-school and first-year university syllabi. It links to neighbouring topics 2000s in Baden-Württemberg, 20th century in Baden-Württemberg, DNA profiling techniques, so understanding it makes those chapters shorter.
In everyday life
Look for Phantom of Heilbronn outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Phantom of Heilbronn in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Phantom of Heilbronn means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Phantom of Heilbronn out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Phantom of Heilbronn in simple terms?

The Phantom of Heilbronn, often alternatively referred to as the Woman Without a Face, was a hypothesized unknown female serial killer whose existence was inferred from DNA evidence found at numerous crime scenes in Austria, France and Germany from 1993 to 2009. The six murders among these included…

Why does Phantom of Heilbronn matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Phantom of Heilbronn?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Phantom of Heilbronn.

Tags

  • 2000s in Baden-Württemberg
  • 20th century in Baden-Württemberg
  • DNA profiling techniques
  • False evidence
  • Heilbronn
  • Nonexistent people
  • People from Heilbronn
  • Unsolved murders in Germany

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