The person at the center of this case
Ylva Annika Hagner
Missing Person · Open
30 years waiting · since 1996
YLVA ANNIKA HAGNER
Justice for Ylva Annika Hagner — the trail went cold in 1996, but the truth hasn't.
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Key leads to think about
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vehicle
Lead #1Why was her vehicle abandoned at the Days Inn in San Carlos, two miles away from her workplace? What does this location suggest about her movements?
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evidence
Lead #2Her purse was missing but keys were left in the ignition—does this indicate a forced departure or voluntary abandonment?
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suspect
Lead #3Were there any individuals with access to her workplace or knowledge of her schedule on October 14, 1996?
Ylva Annika Hagner, a Swedish-accented Stanford University graduate student, disappeared on October 14, 1996, from her workplace in Belmont, California at 9:30 p.m. Her abandoned vehicle was discovered two days later at a San Carlos motel with keys in the ignition and her purse missing, suggesting a potential abduction. Despite decades of investigation, her whereabouts remain unknown and authorities continue seeking public information about her fate.
Case
#4751
FBI San Francisco Field Office and Belmont Police Department
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More leads to consider
Beyond the top three above — each detail below could be the thread that pulls this case open.
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witness
Lead #4Did anyone witness her departure from the Belmont workplace or see her vehicle being driven to San Carlos?
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clue
Lead #5Her Swedish accent may help identify witnesses who interacted with her that evening—have all coworkers been thoroughly interviewed?
Have information about any of these leads?
Even the smallest detail could be the key to solving this case.
Official wording
Source Narrative
October 14, 1996 Belmont, California The FBI's San Francisco Field Office and the Belmont Police Department in California are seeking information from the public regarding the disappearance of Ylva Annika Hagner. She was last seen at approximately 9:30 p.m., on October 14, 1996, at her place of employment in Belmont, California.
At the time of her disappearance, Hagner was living in Palo Alto, California, and attending Stanford University as a Graduate Student. Her vehicle was located abandoned in front of a Days Inn Motel in San Carlos, California, on October 16, 1996.
The keys were in the ignition, and her purse was missing. Remarks: Hagner speaks with a Swedish accent.
She was last seen wearing a lime green sweatshirt and a blue skirt.
Timeline of Events
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1996-10-14
21:30Last Sighting
Ylva Annika Hagner was last seen at her place of employment in Belmont, California wearing a lime green sweatshirt and blue skirt.
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1996-10-16
Vehicle Discovery
Her vehicle was found abandoned in front of a Days Inn Motel in San Carlos, California with keys in the ignition and her purse missing.
Key Locations
Interactive map showing important locations related to this case
Case Information
Incident:October 14, 1996 at 9:30 PM
Last Updated:October 16, 2026
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Case Information
Incident:October 14, 1996 at 9:30 PM
Last Updated:October 16, 2026