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.
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: United States, Czech Republic, Austria
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).
Jack Unterweger has been listed on Killer.Cloud since November of 2016 and was last updated 3 years ago.
The unlawful killing of two or more victims by the same offender(s), in separate events. Serial Killer as defined by the FBI at the 2005 symposium.
Rape is usually defined as having sexual intercourse with a person who does not want to, or cannot consent.
Strangulation is death by compressing the neck until the supply of oxygen is cut off. Stranglers kill by Strangulation.
|Nickname:||Jack the Writer, Häfenliterat|
|Victims:||10 - 12|
|Years Active:||1974 - 1992|
|Ages Active:||23/24 - 41/42|
|Active Countries:||United States, Czech Republic, Austria|
|Life Span:||1950 - 1994|
|Astrological Sign:|| ♌ Leo |
Jul 23 - Aug 23
|Marital Status:||never married|
|Living With:||his grandfather, later prison and releases from prison in multiple locations|
|Occupation:||writer, serial killer|
|D.O.B.:||Aug 16, 1950|
|Birth Location:||Judenburg, municipality in Austria|
|Birth Order:||1st of 1|
|Raised 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|
|Highest School:||11 years of school|
|Highest Degree:||no degree received|
|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|
|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|
The 8 dates listed below represent a timeline of the life and crimes of serial killer Jack Unterweger. A complete collection of serial killer events can be found on our Serial Killer Timeline.
|Aug 16 1950||Jack Unterweger was born in Judenburg, municipality in Austria. #19500816|
|Aug 16 1970|
|Jack Unterweger started his serial killing spree. #1974|
|Aug 16 1980|
|Aug 16 1990|
|Jack Unterweger ended his serial killing spree. #1992|
|Feb 27 1992|
|Jack Unterweger arrested. #19920227|
|Jun 29 1994|
|Jack Unterweger was convictedand sentenced to life imprisonment with possibility of parole at Graz-Karlau Prison in Gries, Graz, Styria, Austrian. #19940629|
|Jun 29 1994|
|Jack Unterwegerdied.cause of death:suicide,committed suicide by hanging himself in his jail cellat Graz-Karlau Prison in Gries, Graz, Styria, Austrian. #19940629|
The following serial killers were active during the same time span as Jack Unterweger (1974-1992).
| 38 / 40 |
|mother drug abuse||TRUE||195|
|living with children||FALSE||268|
|killed in prison||FALSE||218|
|father drug abuse||FALSE||192|
|problems in school||FALSE||221|
|teased in school||FALSE||218|
|kill at killers home||FALSE||320|
|kill at victims home||FALSE||323|
|sex with body||FALSE||430|
|ate part of body||FALSE||451|
|totem body part||FALSE||365|
|totem personal item||FALSE||354|
|ISBN10||Book Title||Author||Killers Mentioned||Killers|
|1733630600||Serial Killer Stranglers||Kevin Smith|| 164 Total Including |
|1733630619||Serial Killer Rapists||Kevin Smith|| 266 Total Including |
Ramadan Abdel Rehim Mansour
|0425270777||The Devil's Dozen||Katherine Ramsland|| 5 Total Including |
Robert Joseph Zani
|0060509589||The Unknown Darkness||Gregg O. McCrary||Jack Unterweger||1|
|1101028947||The Devil's Dozen||Katherine Ramsland|| 5 Total Including |
|1862079269||The Vienna Woods Killer||John Leake||Jack Unterweger||1|
|0374148457||Entering Hades||John Leake||Jack Unterweger||2|
|1429996331||Entering Hades||John Leake||Jack Unterweger||2|
|0872864642||You'll Be Okay|| 3 Total Including |
|1101171693||The Forensic Psychology o...||Katherine Ramsland|| 9 Total Including |
|1466825537||Girl's Guide to Predators||Alison Summers||Jack Unterweger||2|
|0299209334||Western Law, Russian Just...||Gary Rosenshield||Jack Unterweger||1|
|3902924225||Kannibalenzeit||Astrid Wagner||Jack Unterweger||1|
|3861896176||Mörder, Dichter, Frauenhe...||Astrid Wagner||Jack Unterweger||1|
|1460277538||When Things Seem Odd||Michael Joseph Legar...|| 8 Total Including |
|1461636663||Criminology||Gregg Barak||Jack Unterweger||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.
Jack Unterweger is included in the following pages on Killer.Cloud the Serial Killer Database