Psychopath Walks Free to Standing Ovation, Kills Again Within Months: The Serial Murders of Jack Unterweger Austria's prison system released a diagnosed psychopath to thunderous applause in 1990, celebrated as proof that rehabilitation worked. Within four months, he had murdered again. The man the Austrian press lauded as transformed was using the same strangling signature he had perfected in 1974, now across three countries and multiple jurisdictions that had no idea they were hunting the same killer. In this episode, we explore how Jack Unterweger deceived an entire nation for fifteen years, the forensic details that finally exposed him, and the structural failures that allowed a murderer to operate openly as a media commentator on the very crimes he was committing. How did credit card records, hair evidence, and a retired detective's memory finally connect corpses in Vienna, Prague, Los Angeles, and beyond? Victim: Margaret Safer, Blanka Bockova, Heidemarie Hammerer, Brunhilde Masser, Silvia Zagler, Sabine Moitzi, Karin Eroglu, Regina Prem, Shannon Exley, Irene Rodriguez, Cheryl Hammon Date: 1974-1991 Location: Austria, Czech Republic, California, USA Status: Convicted; died in custody - Jack Unterweger published a bestselling autobiography in prison and received support from Nobel Prize-winning author Elfriede Jelinek, creating a false narrative of rehabilitation. - His 1974 murder victim Margaret Safer was strangled with her own bra; the same method and signature appeared in every subsequent victim across three countries. - Released on May 23, 1990, Unterweger immediately appeared on Austrian television as an expert commentator on serial strangulation cases-while actively committing those crimes. - Credit card records placed him in Prague on the exact dates of Blanka Bockova's murder, in Vienna during four disappearances, and in Los Angeles when three women were killed with his identical signature. Jack Unterweger, Austria psychopath released prison, Vienna serial murders 1990-1991, Los Angeles murders, psychiatric diagnosis ignored, forensic strangulation signature, true crime English To listen to this podcast ad-free and access premium episodes, try our subscription with a 14-day free trial at obomedia.com. © 2026 OBOMEDIA. All rights reserved. This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com. To listen ad-free and access premium episodes, start your 30-day free trial at obomedia.com OBOMEDIA presents true crime storiesa true crime podcast built on real cases. Every true crime story in our crime files follows the crime investigation from the missing person report to the trial: investigators and police building a murder case, a police investigation gone cold, justice for the victim and those who survived. We open the unsolved murder, the cold case reopened decades later, the mysterious death, the disappearance, the serial killer, the family murder, the murder mystery; the missing persons a missing woman, a missing girl, a missing man found dead and the missing and murdered. From the infamous case to the unsolved case, from classic true crime to dark true crime and disturbing true crime: true crime reports, real crime stories, real murder cases, true murder stories and unsolved mysteries one true crime case at a time, from the OBOMEDIA true crime vault. © 2026 Created with OBOMEDIA technology. All rights reserved. This episode and its content (audio, text and related materials) are the property of their respective creator and are distributed under the OBOMEDIA name on platforms such as Apple Podcasts, Spotify, Amazon Music and Pocket Casts. Reproduction, distribution, editing or commercial use, in whole or in part, without prior written permission is prohibited. For permissions, licensing and business inquirie