CA CA - Ylva Annika Hagner, 42, Belmont, 14 Oct 1996

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  • #1
Ylva Annika Hagner

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Case Classification: Endangered Missing
Missing Since: October 14, 1996
Location Last Seen: Belmont, San Mateo County, California

Description:
  • Date of Birth: August 04, 1954
  • Age: 42 years old
  • Race: White/Caucasian
  • Gender: Female
  • Height: 5' 5" - 5' 6" (65 - 66 inches)
  • Weight: 110 lbs
  • Hair Color: Red/Long
  • Eye Color: Blue
  • Nickname/Alias: Unknown
  • Distinguishing Marks/Features: Unknown
  • Clothing & Personal Items: Unknown
  • Identifiers: Dental records and DNA available
  • Other: She is a Swedish national and speaks Swedish, German, and English, and has a Swedish accent. Her first name is pronounced "Eel-vah".
Circumstances of Disappearance:
Hagner went missing from Belmont, California on October 14, 1996. She was last seen at her office at approximately 9:30 p.m. by an executive who headed out for home, leaving her alone there. She has never been heard from again.

Hagner was employed as a software marketing manager at a small company called Ixos Software at the time of her disappearance. It was located in an office building at 1070 Sixth Avenue, fifty yards down the hall from the Belmont Police Department administrative offices; it has since changed locations. Hagner usually turned off her computer and straightened up the items on her desk when she left; however, her computer was left turned on and papers were strewn across her desktop. There was no sign of forced entry or evidence of a struggle found at the office.

Three days later on October 17, 1996, Hagner's black 1992 Honda Civic was discovered abandoned a mile and a half away from Ixos Software. It had been parked south of the Belmont/San Carlos border in California on the corner of El Camino Real and Spring Street in front of the Days Inn motel. The car was unlocked and the keys were still in the ignition. There was no sign of Hagner at the scene and her purse was also missing. There was no blood or evidence of a struggle discovered at her vehicle.

Hagner is a Swedish national and had been living in the United States for about twelve years; she was a legal resident of the U.S. At her residence she shared with two roommates, investigators found her passport and learned there has been no activity on her bank and credit card accounts.

Her family and friends have stated that it is uncharacteristic of her to disappear in such a manner voluntarily. They reported that she was being harassed and stalked by a male acquaintance prior to her disappearance and also that he failed a lie-detector test about her case.

Hagner was a resident of Palo Alto, California at the time, and was studying for a master's degree in liberal arts at Stanford University. Her loved ones describe her as outgoing, cultured and "Bohemian," but responsible. She is well-traveled and enjoys the outdoors. She had no relatives in California, and her parents and brother lived in Sweden at the time she went missing; her father has since died.

Authorities believe Hagner was abducted by someone she knew and trusted, such as a family member or friend. Her case is unsolved and her whereabouts remain unknown.

Investigators:
  • Belmont Police Department: (650) 595-7400; (650) 329-2348
    Reference Case#: 9610-01522
NamUs Case Number: MP4493
NCIC Case Number: M-970693207

1755DFCA - Ylva Annika Hagner
Ylva Annika Hagner – The Charley Project
The National Missing and Unidentified Persons System (NamUs)
 
  • #2
Belmont police Wednesday morning were at two scenes in Redwood City working with multiple other agencies in the investigation of a 27-year-old cold case involving a missing woman, authorities confirmed.

Police closed off Stulsaft Park and cordoned off a home in the 3700 block of Farm Hill Boulevard in Redwood City as they investigated the case of Ylva Hagner, who went missing in October 1996, police said.

Belmont PD is the lead investigating agency and was working with the San Mateo County District Attorney's Office and the FBI.

Hagner was last seen on Oct. 14, 1996. She was 42 years old at the time of her disappearance.
 
  • #3
'According to her family, Hagner had been stalked by a male acquaintance before her disappearance, a missing person report said. She worked as a business-marketing manager for a German-American software company called iXOS.'
1683763621482.png

FBI crime scene investigators walk outside of a home on the 3700 block of Farm Hill Blvd during an investigation of the cold case of Ylva Hagner on Wednesday, May 10, 2023. Photo by Michelle Iracheta

''According to county records, Thomas Pressburger owns the deed to the Farm Hill property where investigators were digging on Wednesday. According to the IEEE Database and the Nasa website, Pressburger works in the Robust Software Engineering area at NASA Ames Research Center.''

''According to an SFGate article from 1997, Pressburger was Hagner’s boyfriend at the time of her disappearance.''

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  • #4
 
  • #5
Shortly after 10 a.m. on Wednesday, crime scene investigators could be seen bringing out multiple shovels and tools into the backyard of the Farm Hill home. The FBI told this news organization it is providing forensic support with its evidence response team.

According to county records, Thomas Pressburger owns the deed to the Farm Hill property where investigators were digging on Wednesday. According to the IEEE Database and the Nasa website, Pressburger works in the Robust Software Engineering area at NASA Ames Research Center.

According to an SFGate article from 1997, Pressburger was Hagner's boyfriend at the time of her disappearance. Police have not named Pressburger as a suspect in the case.

Farm Hill Neighborhood Association President Johanna Rasmussen said the people who have lived in the home had lived there since Hagner's disappearance and are not active members of the association.
 
  • #6
MAY 12, 2023
[...]

Authorities had previously searched the grounds of the residence of a former boyfriend of Hagner in 1997 on Page Mill Road in Palo Alto.

[...]

The Palo Alto resident was described by co-workers as jovial on the day of her disappearance. San Mateo County court records showed she turned in a paper that day at Stanford University, where she was taking a class, and left "positive" messages on friends' answering machines.
 
  • #7
Hagner, a Swedish national, worked at a software company and attended the Stanford Continuing Studies program. She was last seen at work in Belmont—5 miles north of Redwood City—on October 14, 1996.

Her car was found in San Carlos four days later with the keys in the ignition, but she could not be located, and her disappearance was considered suspicious. San Carlos is situated between Belmont and Redwood City.

"We have nothing to show that she was kidnapped, we can't find any signs of a struggle or anything like that, so all we can say at this point is it's a disappearance under extremely suspicious circumstances," said Belmont Police Department Commander Larry Riche in 1996.

Now, however, Belmont police, the FBI, and the San Mateo County Sheriff's office have all been involved in the search of Pressburger's house.

According to a report in the Chronicle Peninsula Bureau at the time, Pressburger was Hagner's boyfriend during that period, and had been questioned by police during the initial investigation.
 
  • #8
Editorial:

As we went around the room that night introducing ourselves, our nervousness was apparent, except for one person who could barely contain her enthusiasm. Her name was Ylva Hagner, in her early 40s with gorgeous red hair and blue eyes. Ylva was Swedish, lived in Palo Alto and worked at a software company in Belmont. She had a lilting laugh and was clearly enjoying herself.

In the third week of class, Ylva was absent. She had last been seen just before our class at her office. The weeks went by, and it was clear that something terrible had happened. Like many missing person cases, there was an initial flurry of interest in finding her that then lapsed into a cold case.

Our class moved on, with most of us finishing the program in four or five years. Ylva's disappearance cast a pall upon our Stanford experience, even though we got to spend so little time with her. Over the years, as we met at social gatherings or Continuing Studies classes, the question often arose – "How could someone just disappear without a trace?"
 
  • #9
  • #10
6 Unidentified Person Exclusions

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