Jack Unterweger

Jack the Writer, Häfenliterat

  Active for 19 years
(1974-1992) in Austria, United States, Czechoslovakia

10

CONFIRMED
VICTIMS

12

POSSIBLE
VICTIMS
Jump to:
  1. Summary
  2. Serial Killer Profile
  3. Serial Killer Type
  4. General Information
  5. Characteristics
  6. Childhood
  7. Cognitive Ability
  8. Incarceration
  9. Death
  10. Serial Killers Active During Spree
  11. Boolean Statistical Questions
  12. 16 Books About Jack Unterweger
  13. 9 External References
  14. Internal References

Jack Unterweger (Johann Unterweger) an Austrian serial killer known as Jack the Writer, Häfenliterat, Knastpoet, Vienna Woods Killer and The Vienna Strangler. Unterweger served fourteen years in Austrian prison for a murder in 1974. Unterweger raped strangled and killed at least nine prostitutes after his release. He was a small star in Austrian media in the early 1990s and was arrested in the United States, where he may have killed another three prostitutes. Jack Unterweger committed suicide by hanging himself in 1994 after being sentenced to life in prison.

Jack Unterweger Serial Killer Profile

Serial Killer Jack Unterweger (aka) Jack the Writer, Häfenliterat, was active for 19 years between 1974-1992, known to have ( 10 confirmed / 12 possible ) victims. This Serial Killer was active in the following countries: Austria, United States, Czechoslovakia.

Jack Unterweger was born on August 16th 1950 in Judenburg, municipality in Austria. He was raised by mother until (Age 3/4) grandfather until (Age 16/17) prison until adulthood. He was raised as a only child and had no siblings. His father, an unknown American soldier whom Theresia met in Trieste, Italy. His mother, Theresia Unterweger, a local barmaid, waitress and prostitute. His mother abused alcohol and/or drugs.

Jack Unterweger a heterosexual male citizen of Austria. He completed 11 years of school, no degree received. He never married. He had no children.

Prior to his spree he had commited crimes, served time in jail, and served time in prison.

In 1974 (Age 23/24) Jack Unterweger started his killing spree, during his crimes as a serial killer he was known to strangle, rape, and murder his victims. At the time of his crimes he was living with his grandfather, later prison and releases from prison in multiple locations, where he was known to work as a writer, serial killer.

He was arrested on February 27th 1992 (Age 41), convicted on June 29th 1994 (Age 43), sentenced to life imprisonment with possibility of parole at Graz-Karlau Prison in Gries, Graz, Styria, Austrian. He was convicted on charges of murder and other possible charges during his lifetime.

Jack Unterweger died on June 29th 1994 (Age 43), cause of death: suicide, committed suicide by hanging himself in his jail cell at Graz-Karlau Prison in Gries, Graz, Styria, Austrian. Jack Unterweger committed suicide on June 29th 1994 (Age 43).

Profile Completeness: 96%
serial killers by profile completeness

Jack Unterweger has been listed on Killer.Cloud since November of 2016 and was last updated 1 week ago.

Jack Unterweger a known:

Jack Unterweger
Serial Killer Profile:

Updated: 2019-05-13 Collected by Killer.Cloud
General Information
Name: Jack Unterweger
Nickname: Jack the Writer, Häfenliterat
Victims: 10 - 12
Years Active: 1974 - 1992
Ages Active: 23/24 - 41/42
Active Countries: Austria, United States, Czechoslovakia
Convicted Of: murder
Life Span: 1950 - 1994
Characteristics
Gender: Male
Citizenship: Austria
Sexual Preference: heterosexual
Astrological Sign: Leo
Jul 23 - Aug 23
Marital Status: never married
Children: no children
Living With: his grandfather, later prison and releases from prison in multiple locations
Occupation: writer, serial killer
Childhood Information
D.O.B.: Aug 16, 1950
Given Name: Johann
Birth Location: Judenburg, municipality in Austria
Birth Order: 1st of 1
Siblings: no siblings
Rasied By: mother until (Age 3/4) grandfather until (Age 16/17) prison until adulthood
Birth Category: only child
Mother: Theresia Unterweger, a local barmaid, waitress and prostitute
Father: an unknown American soldier whom Theresia met in Trieste, Italy

Cognitive Ability
IQ: N/A
Highest School: 11 years of school
Highest Degree: no degree received

Incarceration
Arrested: Feb 27, 1992 (Age 41)
Convicted: Jun 29, 1994 (Age 43)
Sentence: life imprisonment with possibility of parole
Prison Location: Graz-Karlau Prison in Gries, Graz, Styria, Austrian
Executed: N/A
Previous Crimes: TRUE
Previous Jail: TRUE
Previous Prison: TRUE

Death Information
Death Date: Jun 29, 1994 (Age 43)
Manner of Death: suicide
Cause of Death: committed suicide by hanging himself in his jail cell
Death Location: Graz-Karlau Prison in Gries, Graz, Styria, Austrian
Killed In Prison: FALSE
Suicide: TRUE

38 / 40
ANSWERED
Serial Killer
Boolean Questions:
Killer
Question
Killer
Answer
Total
Answered
suicide TRUE 204
mother drug abuse TRUE 188
previous crimes TRUE 344
previous jail TRUE 329
previous prision TRUE 317
rape TRUE 408
strangle TRUE 401
living with children FALSE 250
killed in prison FALSE 198
father drug abuse FALSE 184
problems in school FALSE 208
teased in school FALSE 206
physically defect FALSE 278
speach defect FALSE 277
head injury FALSE 276
physically abused FALSE 215
psychologically abused FALSE 210
sexually abused FALSE 212
drug abuse FALSE 215
alcohol abuse FALSE 213
psychologist FALSE 243
forensic hospital FALSE 242
kill at killers home FALSE 300
kill at victims home FALSE 303
used weapon FALSE 413
used gun FALSE 412
torture FALSE 388
stalk FALSE 384
blindfold FALSE 338
bound FALSE 375
sex with body FALSE 392
mutilated FALSE 404
ate part of body FALSE 413
drank blood FALSE 402
posed body FALSE 339
totem body part FALSE 336
totem personal item FALSE 331
robbed FALSE 394


Books that Mention Jack Unterweger

Book: Serial Killer Stranglers (mentions serial killer Jack Unterweger)
Kevin Smith
Serial Killer Stranglers
Book: Serial Killer Rapists (mentions serial killer Jack Unterweger)
Kevin Smith
Serial Killer Rapists
Book: The Devil's Dozen (mentions serial killer Jack Unterweger)
Katherine Ramsland
The Devil's Dozen
Book: The Unknown Darkness (mentions serial killer Jack Unterweger)
Gregg O. McCrary
The Unknown Darkness
Book: The Devil's Dozen (mentions serial killer Jack Unterweger)
Katherine Ramsland
The Devil's Dozen
Book: The Vienna Woods Killer (mentions serial killer Jack Unterweger)
John Leake
The Vienna Woods Killer
Book: Entering Hades (mentions serial killer Jack Unterweger)
John Leake
Entering Hades
Book: Entering Hades (mentions serial killer Jack Unterweger)
John Leake
Entering Hades

16 Books that mention Serial Killer
Jack Unterweger

ISBN10 Book Title Killers
1733630600 Serial Killer Stranglers 164
1733630619 Serial Killer Rapists 266
0425270777 The Devil's Dozen 5
0060509589 The Unknown Darkness 1
1101028947 The Devil's Dozen 5
1862079269 The Vienna Woods Killer 1
0374148457 Entering Hades 2
1429996331 Entering Hades 2
0872864642 You'll Be Okay 1
1101171693 The Forensic Psychology o... 9
1466825537 Girl's Guide to Predators 2
0299209334 Western Law, Russian Just... 1
3902924225 Kannibalenzeit 1
3861896176 Mörder, Dichter, Frauenhe... 1
1460277538 When Things Seem Odd 8
1461636663 Criminology 1

Johann "Jack" Unterweger (16 August 1950 – 29 June 1994) was an Austrian serial killer who murdered sex workers in several countries. First convicted of a 1974 murder, he was released in 1990 as an example of rehabilitation. He became a journalist and minor celebrity, but within months started killing again.

Wikipedia
External References
  1. Q44556 on www.wikidata.org, Retrieved on Oct 19, 2018.
  2. Jack Unterweger on en.wikipedia.org, Retrieved on Oct 19, 2018.
  3. Jack Unterweger on de.wikipedia.org, Retrieved on Oct 19, 2018.
  4. Juan Ignacio Blanco, Johann "Jack" UNTERWEGER on murderpedia.org, Retrieved on Oct 19, 2018.
  5. Jack Unterweger on www.biography.com, Retrieved on Dec 14, 2018.
  6. Chelsea Newton, Tiffany Waller, Johann “Jack” Unterweger on maamodt.asp.radford.edu, Retrieved on Dec 14, 2018.
  7. Jack Unterweger on www.serienkillers.de, Retrieved on Feb 18, 2019.
  8. JUDr. Miloslav Jedlička, Johann alias Jack Unterweger on kriminalistika.eu, Retrieved on Mar 27, 2019.
  9. Jack Unterweger on www.serialkillers.cz, Retrieved on Apr 1, 2019.
Internal References

Jack Unterweger is included in the following pages on Killer.Cloud the Serial Killer Database

  1. #10 of 41 [ Page 1 ] of Leo Serial Killers sorted by Confirmed Victims
  2. #58 of 642 [ Page 4 ] of serial killers sorted by Profile Completeness
  3. #59 of 642 [ Page 4 ] of serial killers sorted by Years Active
  4. #71 of 320 [ Page 5 ] of American Serial Killers sorted by Confirmed Victims
  5. #82 of 231 [ Page 6 ] of Serial Killer Stranglers sorted by Confirmed Victims
  6. #97 of 281 [ Page 7 ] of Serial Killer Rapist sorted by Confirmed Victims
  7. #188 of 642 [ Page 13 ] of serial killers sorted by Confirmed Victims
  8. #591 of 642 [ Page 40 ] of the A-Z List of Serial Killers
Statistics:
Serial Killers Statistics, charts Jack Unterweger is included in: Serial Killers By Gender, Age of Serial Killer by Date, Killers By Astrological Sign, Serial Killers IQ Level, Highest Degree Achieved, Sexual Preference, Birth Category, Mannor of Death, Active Serial Killers by Year and Statistical Boolean Questions.
Years Active: