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Prosecutors have new theory about beauty influencer’s death Stephanie Pieper.
According to German media reports on Wednesday, March 18, Pieper’s autopsy report stated that the content creator died due to strangulation of the neck Bild. The forensic pathologist also found that Pieper had suffered “significant facial injuries” that could have been caused by punching or being transported in a suitcase. Pieper’s time of death remains unclear.
A spokesman for the Graz prosecutor’s office told the media that investigators did not rule out the theory that Pieper was still alive when he was put in the suitcase.
“An autopsy was unable to definitively determine the time of death of this young woman,” a spokesman said in a statement translated on Wednesday. US Weekly. “It’s entirely possible that she was still alive when she was put in the suitcase, but it’s also possible that she was strangled beforehand.”
It was reported in November 2025 that Pieper disappeared after attending a holiday party. Her ex-boyfriend is a suspect in her disappearance, and Austrian news media reported that some of Pieper’s neighbors heard an argument and saw her ex-boyfriend before she disappeared.
“Subsequent investigations suspected that the woman’s 31-year-old ex-boyfriend might be involved in her disappearance,” Styrian police said in a statement at the time. “The man is believed to have driven to Slovenia several times. Investigating police were unable to contact him.”
Germany’s Crown newspaper reported at the time that Pieper’s ex-husband was arrested in Slovenia. The ex-boyfriend was found after police received a call about a “fire in the parking lot of a casino near the border” in Sentili.
“This is the 31-year-old man’s car,” police said at the time. “He was found near the burning vehicle and arrested by Slovenian police. Extradition to Austria has been requested.”
After being taken into custody, he reportedly admitted to strangling Pieper. The man led authorities to her body in a nearby forest, hidden in a suitcase. Pieper was 31 years old at the time.
Pieper’s ex-husband is currently in pretrial detention in Austria. His trial is scheduled for later this year, Bild reported. If convicted, he faces life in prison.
Pieper is best known as an Austrian influencer, makeup artist and aspiring singer. She shares her beauty tips and techniques through Instagram, where she has amassed more than 47,000 followers.